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GAIA satellite - Illustration - View of the European satellite GAIA against a milky lane background. The objective of the Gaia mission is to carry out the largest possible census of the stars of our Galaxy and to create a 3D map of a very precise 3D map. The satellite will determine the position, color and proper movement of a billion stars. Gaia was launched since Kourou on December 19, 2013. Artist's print of Gaia. Gaia is an ambitious mission to chart a three - dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Gaia will provide unprecedented positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion stars in our Galaxy and throughout the Local Group. This amounts to about 1 per cent of the Galactic stellar population. Combined with astrophysical information for each star, provided by on - board multi - colour photometry, these data will have the precision necessary to quantify the early formation, and subsequent dynamical, chemical and star formation evolution of the Milky Way Galaxy. Additional scientific products include detection and orbital classification of tens of thousands of extra - solar planetary systems, a comprehensive survey of objects ranging from huge numbers of minor bodies in our Solar System, through galaxies in the nearby Universe, to some 500,000 remote quasars. It will also provide a number of stringent new tests of general relativity and cosmology. Gaia was launched from Europe's Spaceport in French Guiana on December 19, 2013 — GAIA satellite - Illustration - View of the European satellite GAIA against a milky lane background. The objective of the Gaia mission is to carry out the largest possible census of the stars of our Galaxy and to create a 3D map of a very precise 3D map. The satellite will determine the position, color and proper movement of a billion stars. Gaia was launched since Kourou on December 19, 2013. Artist's print of Gaia. Gaia is an ambitious mission to chart a three - dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Gaia will provide unprecedented positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion stars in our Galaxy and throughout the Local Group. This amounts to about 1 per cent of the Galactic stellar population. Combined with astrophysical information for each star, provided by on - board multi - colour photometry, these d

GAIA satellite - Illustration - View of the European satellite GAIA against a milky lane background. The objective of the Gaia mission is to carry out the largest possible census of the stars of our Galaxy and to create a 3D map of a very precise 3D map. The satellite will determine the position, color and proper movement of a billion stars. Gaia was launched since Kourou on December 19, 2013. Artist's print of Gaia. Gaia is an ambitious mission to chart a three - dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Gaia will provide unprecedented positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion stars in our Galaxy and throughout the Local Group. This amounts to about 1 per cent of the Galactic stellar population. Combined with astrophysical information for each star, provided by on - board multi - colour photometry, these d

D. Ducros

PIX4645992

JWST mirror compares to the Hubble space telescope mirror - Size comparison between the JWST's mirror and HST's mirror - The 6.5-metre primary mirror of the James Webb Space Telescope (JWST), composed of 18 mirrors, compares to the primary mirror of the Hubble space telescope. The large JWST 6.5 meters (21.3 feet) mirror compared to the Hubble Space Telescope primary mirror (at left). The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014

JWST mirror compares to the Hubble space telescope mirror - Size comparison between the JWST's mirror and HST's mirror - The 6.5-metre primary mirror of the James Webb Space Telescope (JWST), composed of 18 mirrors, compares to the primary mirror of the Hubble space telescope. The large JWST 6.5 meters (21.3 feet) mirror compared to the Hubble Space Telescope primary mirror (at left). The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014

PIX4645818

Satellite Planck. Illustration - Artist's view of the European satellite Planck separating from the upper floor of the Ariane V rocket, 30 minutes after its launch. This satellite measures temperature fluctuations in the fossil radiation of the primordial universe. Planck separates from upper stage. Planck separated from the launcher about 30 minutes after launch, a couple of minutes after Herschel. The two spacecraft independently headed towards their respective orbits around the second Lagrange point of the Sun - Earth system (L2), some 1.5 million km from Earth in the direction opposite to the Sun. Planck is the first european mission to study the relic radiation from the Big Bang. Ever since the detection of small fluctuations in the temperature of this radiation, called Cosmic Microwave Background, astronomers have used the fluctuations to understand both the origin of the Universe and the formation of galaxies

Satellite Planck. Illustration - Artist's view of the European satellite Planck separating from the upper floor of the Ariane V rocket, 30 minutes after its launch. This satellite measures temperature fluctuations in the fossil radiation of the primordial universe. Planck separates from upper stage. Planck separated from the launcher about 30 minutes after launch, a couple of minutes after Herschel. The two spacecraft independently headed towards their respective orbits around the second Lagrange point of the Sun - Earth system (L2), some 1.5 million km from Earth in the direction opposite to the Sun. Planck is the first european mission to study the relic radiation from the Big Bang. Ever since the detection of small fluctuations in the temperature of this radiation, called Cosmic Microwave Background, astronomers have used the fluctuations to understand both the origin of the Universe and the formation of galaxies

D. Ducros

PIX4646038

The Kepler Spacecraft: The Kepler satellite observes exoplanets in transit. Kepler is a satellite launched in March 2009 and designed to search the nearby region of our galaxy for Earth-size planets orbiting in the habitable zone of stars like our sun

The Kepler Spacecraft: The Kepler satellite observes exoplanets in transit. Kepler is a satellite launched in March 2009 and designed to search the nearby region of our galaxy for Earth-size planets orbiting in the habitable zone of stars like our sun

PIX4645661

James Webb Space Telescope (JWST) - Artist View - The James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth

James Webb Space Telescope (JWST) - Artist View - The James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth

C. Carreau

PIX4645834

James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) - Artist view: The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2018. The James Webb Space Telescope (JWST) is a large, infrared-optimized space telescope scheduled for launch in 2018. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth - The shaded side of the James Webb Space Telescope (JWST) as it may appear later this decade when it is observing from the Earth-Sun L2 point about 930 thousand miles from the Earth. Part of the Milky Way can be seen reflected in the 21-foot diameter mirror assembly. This assembly is composed of 18 hexagonal segments of gold-coated beryllium which combines to create a near-infrared light-collecting area of about 80 square feet (the Hubble Space Telescope has a collecting area of 48 square feet) - The JWST's sensitive optical elements are shaded from the perpetual sunlight via a “” parasol” consisting of multiple spaced layers of polyimide film. These layers act as a passive cooling barrier between the 185* F sunward side and the -388* F shaded side hosting the optics and sensors — James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) - Artist view: The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2018. The James Webb Space Telescope (JWST) is a large, infrared-optimized space telescope scheduled for launch in 2018. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth - The shaded side of the James Webb Space Telescope (JWST) as it may appear later this decade when it is observing from the Earth-Sun L2 point about 930 thousand miles from the Earth. Part of the Milky Way can be seen reflected in the 21-foot diameter mirror assembly. This assembly is composed of 18 hexagonal segments of gold-coated beryllium which combines to create a near-infrared light-collecting area of about 80 square fe

James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) - Artist view: The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2018. The James Webb Space Telescope (JWST) is a large, infrared-optimized space telescope scheduled for launch in 2018. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth - The shaded side of the James Webb Space Telescope (JWST) as it may appear later this decade when it is observing from the Earth-Sun L2 point about 930 thousand miles from the Earth. Part of the Milky Way can be seen reflected in the 21-foot diameter mirror assembly. This assembly is composed of 18 hexagonal segments of gold-coated beryllium which combines to create a near-infrared light-collecting area of about 80 square fe

Walter B Myers

PIX4645827

Eureca Satellite - The Eureca satellite flies to space after it was deployed by the Atlantis space shuttle on 31 July 1992. The moon is visible. The European Retrievable Carrier 1L (EURECA - 1L) spacecraft, with solar array panels extended, drifts in space after deployment from the payload bay of Atlantis, Orbiter Vehicle (OV) 104, during STS - 46. The moon appears in this image

Eureca Satellite - The Eureca satellite flies to space after it was deployed by the Atlantis space shuttle on 31 July 1992. The moon is visible. The European Retrievable Carrier 1L (EURECA - 1L) spacecraft, with solar array panels extended, drifts in space after deployment from the payload bay of Atlantis, Orbiter Vehicle (OV) 104, during STS - 46. The moon appears in this image

PIX4646301

James Webb Space Telescope (JWST) - JWST in clean room: View of the James Webb Space Telescope (JWST) at Nasa's Goddard Space Center on May 4, 2016. The JWST will replace the Hubble Space Telescope in 2018. A composite of nine wide-angle images showign the NASA Goddard clean room on May 4, 2016, when the uncovered flight primary mirror of the James Webb Space Telescope was tilted into a vertical position.

James Webb Space Telescope (JWST) - JWST in clean room: View of the James Webb Space Telescope (JWST) at Nasa's Goddard Space Center on May 4, 2016. The JWST will replace the Hubble Space Telescope in 2018. A composite of nine wide-angle images showign the NASA Goddard clean room on May 4, 2016, when the uncovered flight primary mirror of the James Webb Space Telescope was tilted into a vertical position.

PIX4645824

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth — James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The

PIX4645745

The Mission STEREO - STEREO Artist View - STEREO (Solar Terrestrial Relationships Observatory) is a space mission of NASA to study Sun - Earth relations. STEREO consists of two twin satellites, one precedent the Earth in its revolution around the Sun and the other following it. The mission entered the operational phase in December 2006. Its nominal term of 2 years has been extended. STEREO (Solar Terrestrial Relationships Observatory) is the third mission in NASA's Solar Terrestrial Probes program (STP). The mission, launched in October 2006, has provided a unique and revolutionary view of the Sun - Earth System. The two almost identical observatories - one ahead of Earth in its orbit, the other trailing behind - have traced the flow of energy and matter from the Sun to Earth. STEREO has revealed the 3D structure of coronal mass ejections; violent eruptions of matter from the sun that can disrupt satellites and power grids, and help us understand why they happen. STEREO is a key addition to the fleet of space weather detection satellites by providing more accurate alerts for the arrival time of Earth - directed solar ejections with its unique side - viewing perspective — The Mission STEREO - STEREO Artist View - STEREO (Solar Terrestrial Relationships Observatory) is a space mission of NASA to study Sun - Earth relations. STEREO consists of two twin satellites, one precedent the Earth in its revolution around the Sun and the other following it. The mission entered the operational phase in December 2006. Its nominal term of 2 years has been extended. STEREO (Solar Terrestrial Relationships Observatory) is the third mission in NASA's Solar Terrestrial Probes program (STP). The mission, launched in October 2006, has provided a unique and revolutionary view of the Sun - Earth System. The two almost identical observatories - one ahead of Earth in its orbit, the other trailing behind - have traced the flow of energy and matter from the Sun to Earth. STEREO has revealed the 3D structure of coronal mass ejections; violent eruptions of matter from the sun that can disrupt satellites and power grids, and help us understand why they happen. STEREO is a key additi

The Mission STEREO - STEREO Artist View - STEREO (Solar Terrestrial Relationships Observatory) is a space mission of NASA to study Sun - Earth relations. STEREO consists of two twin satellites, one precedent the Earth in its revolution around the Sun and the other following it. The mission entered the operational phase in December 2006. Its nominal term of 2 years has been extended. STEREO (Solar Terrestrial Relationships Observatory) is the third mission in NASA's Solar Terrestrial Probes program (STP). The mission, launched in October 2006, has provided a unique and revolutionary view of the Sun - Earth System. The two almost identical observatories - one ahead of Earth in its orbit, the other trailing behind - have traced the flow of energy and matter from the Sun to Earth. STEREO has revealed the 3D structure of coronal mass ejections; violent eruptions of matter from the sun that can disrupt satellites and power grids, and help us understand why they happen. STEREO is a key additi

PIX4646347

Herschel Satellite - Illustration - Herschel Satellite. Artwork - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Infrared astronomy is as young as it is fruitful. In less than three decades infrared astronomers have unveiled tens of thousands of new galaxies, and have made discoveries as surprising as the huge amounts of water vapour that fill the galaxy. Yet scientists know there is still much more to discover. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Due for launch in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Herschel Satellite - Illustration - Herschel Satellite. Artwork - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Infrared astronomy is as young as it is fruitful. In less than three decades infrared astronomers have unveiled tens of thousands of new galaxies, and have made discoveries as surprising as the huge amounts of water vapour that fill the galaxy. Yet scientists know there is still much more to d

Herschel Satellite - Illustration - Herschel Satellite. Artwork - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Infrared astronomy is as young as it is fruitful. In less than three decades infrared astronomers have unveiled tens of thousands of new galaxies, and have made discoveries as surprising as the huge amounts of water vapour that fill the galaxy. Yet scientists know there is still much more to d

PIX4646040

Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, launched in 2009, studies the formation of galaxies, stars and planetary systems in the infrared. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) studies the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory is bigger and better than any of its predecessors. Moreover, it observes at wavelengths never covered before. It is located 1.5 million kilometers away from Earth, farther than any previous space telescope. Launched in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, launched in 2009, studies the formation of galaxies, stars and planetary systems in the infrared. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) studies the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory is bigger and better than any of its predecessors. Moreover, it observes at wavelengths never covered b

Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, launched in 2009, studies the formation of galaxies, stars and planetary systems in the infrared. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) studies the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory is bigger and better than any of its predecessors. Moreover, it observes at wavelengths never covered b

C. Carreau

PIX4646124

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other region — Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other regi

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other regi

D. Ducros

PIX4645864

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Observatory will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope — Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

P. Dumas

PIX4646089

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other region — Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other regi

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other regi

D. Ducros

PIX4645898

Herschel Satellite - Illustration - Herschel Satellite. Artwork - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Infrared astronomy is as young as it is fruitful. In less than three decades infrared astronomers have unveiled tens of thousands of new galaxies, and have made discoveries as surprising as the huge amounts of water vapour that fill the galaxy. Yet scientists know there is still much more to discover. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Due for launch in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Herschel Satellite - Illustration - Herschel Satellite. Artwork - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Infrared astronomy is as young as it is fruitful. In less than three decades infrared astronomers have unveiled tens of thousands of new galaxies, and have made discoveries as surprising as the huge amounts of water vapour that fill the galaxy. Yet scientists know there is still much more to d

Herschel Satellite - Illustration - Herschel Satellite. Artwork - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Infrared astronomy is as young as it is fruitful. In less than three decades infrared astronomers have unveiled tens of thousands of new galaxies, and have made discoveries as surprising as the huge amounts of water vapour that fill the galaxy. Yet scientists know there is still much more to d

PIX4646048

The Kepler Spacecraft: The Kepler satellite observes exoplanets in transit. Kepler is a satellite launched in March 2009 and designed to search the nearby region of our galaxy for Earth-size planets orbiting in the habitable zone of stars like our sun

The Kepler Spacecraft: The Kepler satellite observes exoplanets in transit. Kepler is a satellite launched in March 2009 and designed to search the nearby region of our galaxy for Earth-size planets orbiting in the habitable zone of stars like our sun

PIX4645639

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Observatory will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope — Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

P. Dumas

PIX4646076

The SOHO satellite (photo)

The SOHO satellite (photo)

PIX5973655

Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Due for launch in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wa

Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wa

D. Ducros

PIX4646142

Satellite COROT and double star - Illustration - Artist's view of COROT watching a binary star - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other region — Satellite COROT and double star - Illustration - Artist's view of COROT watching a binary star - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and s

Satellite COROT and double star - Illustration - Artist's view of COROT watching a binary star - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and s

D. Ducros

PIX4645931

Euclid Satellite - Illustration - Euclid Satellite. Artwork: Artist's view of the European satellite Euclid. This satellite, which is planned to launch around 2020, will study dark energy. - Artist's impression of the Euclid spacecraft, a dark energy and dark matter mission planned for launch in 2020

Euclid Satellite - Illustration - Euclid Satellite. Artwork: Artist's view of the European satellite Euclid. This satellite, which is planned to launch around 2020, will study dark energy. - Artist's impression of the Euclid spacecraft, a dark energy and dark matter mission planned for launch in 2020

C. Carreau

PIX4646045

Satellite SOHO - Artist's view - Soho spacecraft - Artist's view of the satellite SOHO (Solar and Heliospheric Observatory). Launched in December 1995, this satellite observes the Sun. Artwork showing the Sun with the Soho (Solar and Heliospheric Observatory) spacecraf

Satellite SOHO - Artist's view - Soho spacecraft - Artist's view of the satellite SOHO (Solar and Heliospheric Observatory). Launched in December 1995, this satellite observes the Sun. Artwork showing the Sun with the Soho (Solar and Heliospheric Observatory) spacecraf

PIX4646288

Hubble space telescope - Artist's view - Hubble space telescope - Artwork - Artist's view of the space shuttle with the Hubble space telescope in its hold. The Hubble Space Telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared. Illustration showing the space shuttle with the Hubble space telescope in its payload bay during a servicing mission

Hubble space telescope - Artist's view - Hubble space telescope - Artwork - Artist's view of the space shuttle with the Hubble space telescope in its hold. The Hubble Space Telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared. Illustration showing the space shuttle with the Hubble space telescope in its payload bay during a servicing mission

PIX4645535

Satellite Picard - Artist view of the Picard satellite. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

Satellite Picard - Artist view of the Picard satellite. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

D. Ducros

PIX4646368

Satellite Picard - Artist view of the Picard satellite. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

Satellite Picard - Artist view of the Picard satellite. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

D. Ducros

PIX4646372

Euclid Satellite - Illustration - Euclid Satellite. Artwork: Artist's view of the European satellite Euclid. This satellite, which is planned to launch around 2020, will study dark energy. - Artist's impression of the Euclid spacecraft, a dark energy and dark matter mission planned for launch in 2020

Euclid Satellite - Illustration - Euclid Satellite. Artwork: Artist's view of the European satellite Euclid. This satellite, which is planned to launch around 2020, will study dark energy. - Artist's impression of the Euclid spacecraft, a dark energy and dark matter mission planned for launch in 2020

C. Carreau

PIX4646049

Space Telescope XMM - Newton - Artist view - XMM - Newton space telescope. Artwork - The XMM - Newton space telescope is a European satellite that observes the Universe in X-ray and was launched and put into orbit in December 1999. XMM - Newton is an european X - Ray observatory launched in december 1999

Space Telescope XMM - Newton - Artist view - XMM - Newton space telescope. Artwork - The XMM - Newton space telescope is a European satellite that observes the Universe in X-ray and was launched and put into orbit in December 1999. XMM - Newton is an european X - Ray observatory launched in december 1999

D. Ducros

PIX4645542

Satellite Tournesol - Artist's view - Satellite Tournesol. Artwork - Artist's view of the satellite Tournesol D-2A in orbit around the Earth. Launched on April 15, 1971 by a Diamond B launcher, this small 96 kg satellite studied the distribution of the star hydrogen. Sunflower D-2A satellite seen above the Earth. This english satellite was launched on April 15 1971 by a rocket Diamant B and studied the distribution of stellar hydrogen

Satellite Tournesol - Artist's view - Satellite Tournesol. Artwork - Artist's view of the satellite Tournesol D-2A in orbit around the Earth. Launched on April 15, 1971 by a Diamond B launcher, this small 96 kg satellite studied the distribution of the star hydrogen. Sunflower D-2A satellite seen above the Earth. This english satellite was launched on April 15 1971 by a rocket Diamant B and studied the distribution of stellar hydrogen

D. Ducros

PIX4646337

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from Shuttle Atlantis before it was captured for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope as the two spacecraft approached each other in Earth orbit prior to the capture of the giant observatory. 13 May 2009

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from Shuttle Atlantis before it was captured for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope as the two spacecraft approached each other in Earth orbit prior to the capture of the giant observatory. 13 May 2009

PIX4645282

Hubble space telescope - Artist view - Hubble space telescope - Artist view - The Hubble space telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared. The Hubble space telescope is in orbit at about 600 km around the Earth. This 13 meters in length telescope with a mirror of 2.4 meters (94.5 inches) in diameter is also equipped of many cameras and a spectrometer to observe the Universe in the visible and infrared light

Hubble space telescope - Artist view - Hubble space telescope - Artist view - The Hubble space telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared. The Hubble space telescope is in orbit at about 600 km around the Earth. This 13 meters in length telescope with a mirror of 2.4 meters (94.5 inches) in diameter is also equipped of many cameras and a spectrometer to observe the Universe in the visible and infrared light

PIX4645472

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. This artist's view shows the COROT satellite, consisting of a 30 - centimetre space telescope launched in late 2006. COROT uses its telescope to monitor closely the changes in a star's brightness that comes from a planet crossing in front of it. While it is looking at a star, COROT is also able to detect 'starquakes', acoustical waves generated deep inside a star that send ripples across a star's surface, altering its brightness. The exact nature of the ripples allows astronomers to calculate the star's precise mass, age and chemical composition

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. This artist's view shows the COROT satellite, consisting of a 30 - centimetre space telescope launched in late 2006. COROT uses its telescope to monitor closely the changes in a star's brightness that comes from a planet crossing in front of it. While it is looking at a star, COROT is also able to detect 'starquakes', acoustical waves generated deep inside a star that send ripples across a star's surface, altering its brightness. The exact nature of the ripples allows astronomers to calculate the star's precise mass, age and chemical composition

D. Ducros

PIX4645914

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. This artist's view shows the COROT satellite, consisting of a 30 - centimetre space telescope launched in late 2006. COROT uses its telescope to monitor closely the changes in a star's brightness that comes from a planet crossing in front of it. While it is looking at a star, COROT is also able to detect 'starquakes', acoustical waves generated deep inside a star that send ripples across a star's surface, altering its brightness. The exact nature of the ripples allows astronomers to calculate the star's precise mass, age and chemical composition

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. This artist's view shows the COROT satellite, consisting of a 30 - centimetre space telescope launched in late 2006. COROT uses its telescope to monitor closely the changes in a star's brightness that comes from a planet crossing in front of it. While it is looking at a star, COROT is also able to detect 'starquakes', acoustical waves generated deep inside a star that send ripples across a star's surface, altering its brightness. The exact nature of the ripples allows astronomers to calculate the star's precise mass, age and chemical composition

D. Ducros

PIX4645915

2.4 m mirror inspects prior to installation on satellite - Inspection of the 94 inch primary mirror for Nasa's Hubble Space Telescope at Perkin-Elmers Optical facilities in Wilton, CT.: Mirror du telescope Hubble - The mirror of the Hubble space telescope

2.4 m mirror inspects prior to installation on satellite - Inspection of the 94 inch primary mirror for Nasa's Hubble Space Telescope at Perkin-Elmers Optical facilities in Wilton, CT.: Mirror du telescope Hubble - The mirror of the Hubble space telescope

PIX4644813

Chandra Space Telescope - Artist View - Chandra X - Ray Observatory - View of the Chandra Telescope in orbit around Earth. The Chandra space telescope observes the universe in X-ray; it was launched and put into orbit in July 1999. Nasa's Chandra X - ray Observatory as it may appear at about 50,000 miles from the Earth, almost twice as high as Earth - orbiting geosynchronous satellites. Named after the Indian astrophysicist Subrahmanyan Chandrasekhar, the Chandra X - ray Observatory is the world's most powerful X - ray telescope, and at a weight of over 5 tons (10 tons including the detachable booster rocket) was the heaviest payload ever delivered into orbit by the Space Shuttle. Chandra was carried into space by Columbia in July 1999. Originally designed for a 5 year mission dedicated to observing distant celestial objects in the X - ray spectrum, Chandra has been observing for over three times that long and is still going strong. In this image the Chandra X - ray Observatory reveals its objective “” lens”” which focuses high - energy X - ray photons by means of four layers of long nested metal mirrors oriented obliquely to the X - ray source. These mirrors constitute most of the length of Chandra's 45 - foot - long tapered tube shape with science instruments capping far end for analyzing the focused X - rays. In this image the concentric rings at the near end of the telescope are the opening through which the X - rays enter the mirror assembly. The Chandra X - ray Observatory is 45 feet long with a solar panel “” wingspan””” of 64 feet — Chandra Space Telescope - Artist View - Chandra X - Ray Observatory - View of the Chandra Telescope in orbit around Earth. The Chandra space telescope observes the universe in X-ray; it was launched and put into orbit in July 1999. Nasa's Chandra X - ray Observatory as it may appear at about 50,000 miles from the Earth, almost twice as high as Earth - orbiting geosynchronous satellites. Named after the Indian astrophysicist Subrahmanyan Chandrasekhar, the Chandra X - ray Observatory is the world's most powerful X - ray telescope, and at a weight of over 5 tons (10 tons including the detachable booster rocket) was the heaviest payload ever delivered into orbit by the Space Shuttle. Chandra was carried into space by Columbia in July 1999. Originally designed for a 5 year mission dedicated to observing distant celestial objects in the X - ray spectrum, Chandra has been observing for over three times that long and is still going strong. In this image the Chandra X - ray Observatory reveals

Chandra Space Telescope - Artist View - Chandra X - Ray Observatory - View of the Chandra Telescope in orbit around Earth. The Chandra space telescope observes the universe in X-ray; it was launched and put into orbit in July 1999. Nasa's Chandra X - ray Observatory as it may appear at about 50,000 miles from the Earth, almost twice as high as Earth - orbiting geosynchronous satellites. Named after the Indian astrophysicist Subrahmanyan Chandrasekhar, the Chandra X - ray Observatory is the world's most powerful X - ray telescope, and at a weight of over 5 tons (10 tons including the detachable booster rocket) was the heaviest payload ever delivered into orbit by the Space Shuttle. Chandra was carried into space by Columbia in July 1999. Originally designed for a 5 year mission dedicated to observing distant celestial objects in the X - ray spectrum, Chandra has been observing for over three times that long and is still going strong. In this image the Chandra X - ray Observatory reveals

Walter B Myers

PIX4645635

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. This artist's view shows the COROT satellite, consisting of a 30 - centimetre space telescope launched in late 2006. COROT uses its telescope to monitor closely the changes in a star's brightness that comes from a planet crossing in front of it. While it is looking at a star, COROT is also able to detect 'starquakes', acoustical waves generated deep inside a star that send ripples across a star's surface, altering its brightness. The exact nature of the ripples allows astronomers to calculate the star's precise mass, age and chemical composition

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. This artist's view shows the COROT satellite, consisting of a 30 - centimetre space telescope launched in late 2006. COROT uses its telescope to monitor closely the changes in a star's brightness that comes from a planet crossing in front of it. While it is looking at a star, COROT is also able to detect 'starquakes', acoustical waves generated deep inside a star that send ripples across a star's surface, altering its brightness. The exact nature of the ripples allows astronomers to calculate the star's precise mass, age and chemical composition

D. Ducros

PIX4645903

Satellite AURA D - 2B - Artist view - Satellite AURA D - 2B. Artwork - Artist's view of the satellite AURA D-2B in orbit around the Earth. Launched on September 27, 1975 by a Diamond BP4 launcher, he studied the sources of gamma radiation from the sky. AURA D-2B satellite seen above the Earth. This english satellite was launched on September 27 1975 by a rocket Diamant BP4 and studied gamma rays

Satellite AURA D - 2B - Artist view - Satellite AURA D - 2B. Artwork - Artist's view of the satellite AURA D-2B in orbit around the Earth. Launched on September 27, 1975 by a Diamond BP4 launcher, he studied the sources of gamma radiation from the sky. AURA D-2B satellite seen above the Earth. This english satellite was launched on September 27 1975 by a rocket Diamant BP4 and studied gamma rays

D. Ducros

PIX4646255

Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Due for launch in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wa

Satellite Herschel - Illustration - Artist's view of the European satellite Herschel. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wa

D. Ducros

PIX4646098

Satellite Integral - Illustration - Artist's view of the European satellite INTEGRAL (International Gamma - Ray Astrophysics Laboratory) observing a black hole. Integral (International Gamma - Ray Astrophysics Laboratory) is the first space observatory that can simultaneously observe objects in gamma rays, X - rays, and visible light. Its main targets are violent explosions known as gamma - ray bursts, powerful phenomena such as supernova explosions, and regions in the Universe thought to contain black holes. Launched on 17 October 2002 (Proton launcher from Baikonur, Kazakhstan)

Satellite Integral - Illustration - Artist's view of the European satellite INTEGRAL (International Gamma - Ray Astrophysics Laboratory) observing a black hole. Integral (International Gamma - Ray Astrophysics Laboratory) is the first space observatory that can simultaneously observe objects in gamma rays, X - rays, and visible light. Its main targets are violent explosions known as gamma - ray bursts, powerful phenomena such as supernova explosions, and regions in the Universe thought to contain black holes. Launched on 17 October 2002 (Proton launcher from Baikonur, Kazakhstan)

D. Ducros

PIX4646218

Hubble Space Telescope - Artist's View - Hubble Space Telescope - Artwork - The Hubble Space Telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared. Credit: European Space Agenc

Hubble Space Telescope - Artist's View - Hubble Space Telescope - Artwork - The Hubble Space Telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared. Credit: European Space Agenc

PIX4645506

Jupiter seen from its satellite Europe - Illustration - Jupiter & Io from Europa's surface - Illustration - Jupiter and Io seen from the ice surface of the satellite Europe. The surface of Europe is about five times brighter than our Moon. A crescent Jupiter hovers near the horizon along with Jupiter's volcanic satellite Io. In the foreground a meandering crevasse cleaves Europa's icy surface, one of thousands that crisscross this moon's exceedingly flat and bright exterior. The surface of Europa is about five times brighter than our own Moon and is so flat that no feature rises more than 3,000 feet

Jupiter seen from its satellite Europe - Illustration - Jupiter & Io from Europa's surface - Illustration - Jupiter and Io seen from the ice surface of the satellite Europe. The surface of Europe is about five times brighter than our Moon. A crescent Jupiter hovers near the horizon along with Jupiter's volcanic satellite Io. In the foreground a meandering crevasse cleaves Europa's icy surface, one of thousands that crisscross this moon's exceedingly flat and bright exterior. The surface of Europa is about five times brighter than our own Moon and is so flat that no feature rises more than 3,000 feet

Walter B Myers

PIX4575100

Satellite Picard - Artist's view of the Picard satellite in orbit around the Earth. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. Satellite Picard seen above the Earth. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

Satellite Picard - Artist's view of the Picard satellite in orbit around the Earth. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. Satellite Picard seen above the Earth. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

D. Ducros

PIX4646322

James Webb Space Telescope (JWST) - JWST in thermal-vacuum test facility: The James Webb Space Telescope (JWST) space telescope is placed in the vacuum chamber of Nasa's Johnson Space Center for a series of tests. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. July 2017. Nasa's James Webb Space Telescope hangs from the ceiling of Chamber A at Nasa's Johnson Space Center in Houston. July 2017

James Webb Space Telescope (JWST) - JWST in thermal-vacuum test facility: The James Webb Space Telescope (JWST) space telescope is placed in the vacuum chamber of Nasa's Johnson Space Center for a series of tests. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. July 2017. Nasa's James Webb Space Telescope hangs from the ceiling of Chamber A at Nasa's Johnson Space Center in Houston. July 2017

PIX4607520

Jupiter seen from its satellite Europe - Illustration - Jupiter from Europa's surface - Illustration - Jupiter seen from the icy surface of the satellite Europe. Also visible in the sky, the satellite Io. Jupiter seen from Europa's icy surface. Also visible in the sky, Io, another jovian moon

Jupiter seen from its satellite Europe - Illustration - Jupiter from Europa's surface - Illustration - Jupiter seen from the icy surface of the satellite Europe. Also visible in the sky, the satellite Io. Jupiter seen from Europa's icy surface. Also visible in the sky, Io, another jovian moon

Miller, Ron (b.1947)

PIX4575112

Satellite Herschel - Illustration - Ariane 5 stage with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, launched on 14 May 2009, is studying in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Launched on May 14 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Satellite Herschel - Illustration - Ariane 5 stage with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, launched on 14 May 2009, is studying in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory

Satellite Herschel - Illustration - Ariane 5 stage with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, launched on 14 May 2009, is studying in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory

D. Ducros

PIX4646153

Satellite Signe - 3 - Artist's view - Satellite Signe - 3. Artwork - Artist's view of the satellite Signe - 3 (Solar Interplanetary Gamma Ray Neutron Experiment) in orbit around the Earth. Lance on June 17, 1977, he studied the sources of gamma radiation from the sky. Satellite Signe - 3 (Solar Interplanetary Gamma Ray Neutron Experiment) seen above the Earth. This english satellite was launched on June 17 1977 and studied gamma rays

Satellite Signe - 3 - Artist's view - Satellite Signe - 3. Artwork - Artist's view of the satellite Signe - 3 (Solar Interplanetary Gamma Ray Neutron Experiment) in orbit around the Earth. Lance on June 17, 1977, he studied the sources of gamma radiation from the sky. Satellite Signe - 3 (Solar Interplanetary Gamma Ray Neutron Experiment) seen above the Earth. This english satellite was launched on June 17 1977 and studied gamma rays

D. Ducros

PIX4646264

Satellite Integral - Illustration - Artist's view of the European satellite INTEGRAL (International Gamma - Ray Astrophysics Laboratory) observing a black hole. Integral (International Gamma - Ray Astrophysics Laboratory) is the first space observatory that can simultaneously observe objects in gamma rays, X - rays, and visible light. Its main targets are violent explosions known as gamma - ray bursts, powerful phenomena such as supernova explosions, and regions in the Universe thought to contain black holes. Launched on 17 October 2002 (Proton launcher from Baikonur, Kazakhstan)

Satellite Integral - Illustration - Artist's view of the European satellite INTEGRAL (International Gamma - Ray Astrophysics Laboratory) observing a black hole. Integral (International Gamma - Ray Astrophysics Laboratory) is the first space observatory that can simultaneously observe objects in gamma rays, X - rays, and visible light. Its main targets are violent explosions known as gamma - ray bursts, powerful phenomena such as supernova explosions, and regions in the Universe thought to contain black holes. Launched on 17 October 2002 (Proton launcher from Baikonur, Kazakhstan)

D. Ducros

PIX4646229

Satellite Picard - Artist's view of the Picard satellite in orbit around the Earth. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. Satellite Picard seen above the Earth. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

Satellite Picard - Artist's view of the Picard satellite in orbit around the Earth. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. Satellite Picard seen above the Earth. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

D. Ducros

PIX4646327

Satellite Picard - Artist's view of the Picard satellite in orbit around the Earth. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. Satellite Picard seen above the Earth. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

Satellite Picard - Artist's view of the Picard satellite in orbit around the Earth. This microsatellite should study the Sun and the links between the solar cycle and the Earth's climate. Satellite Picard seen above the Earth. This english microsatellite will study the Sun and the relations between the sun and the Earth's climate

D. Ducros

PIX4646332

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Team with a 6.5 m mirror, he will observe the universe mainly in infrared - Six of the 18 James Webb Space Telescope mirror segments are being moved into the X-ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling -414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's largest X-ray telescope test facility and a unique, cryogenic, clean room optical test location. The James Webb Space Telescope (JWST) is a large, infrared-optimized space telescope scheduled for launch in 2018. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth — James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Team with a 6.5 m mirror, he will observe the universe mainly in infrared - Six of the 18 James Webb Space Telescope mirror segments are being moved into the X-ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling -414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's largest X-ray telescope test facility and a unique, cryogenic, clean room optical test location. The James Webb

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Team with a 6.5 m mirror, he will observe the universe mainly in infrared - Six of the 18 James Webb Space Telescope mirror segments are being moved into the X-ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling -414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's largest X-ray telescope test facility and a unique, cryogenic, clean room optical test location. The James Webb

PIX4645800

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth — James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The

PIX4645744

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth — James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors - Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. Six of the 18 James Webb Space Telescope mirror segments are being moved into the X - ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling - 414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X - ray & Cryogenic Facility is the world's largest X - ray telescope test facility and a unique, cryogenic, clean room optical test location. The

PIX4645755

Space Telescope XMM - Newton - Artist view - XMM - Newton space telescope. Artwork - The XMM - Newton space telescope is a European satellite that observes the Universe in X-ray and was launched and put into orbit in December 1999. XMM - Newton is an european X - Ray observatory launched in december 1999

Space Telescope XMM - Newton - Artist view - XMM - Newton space telescope. Artwork - The XMM - Newton space telescope is a European satellite that observes the Universe in X-ray and was launched and put into orbit in December 1999. XMM - Newton is an european X - Ray observatory launched in december 1999

D. Ducros

PIX4645569

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will resist the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Ball Aerospace lead optical test engineer Dave Chaney inspects six primary mirror segments, critical elements of Nasa's James Webb Space Telescope, prior to cryogenic testing in the X-ray & Cryogenic Facility at Nasa's Marshall Space Flight Center in Huntsville, Ala. The James Webb Space Telescope will be launched in 2018 to study the formation of the first stars and galaxies and shed new light on the evolution of the universe

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will resist the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Ball Aerospace lead optical test engineer Dave Chaney inspects six primary mirror segments, critical elements of Nasa's James Webb Space Telescope, prior to cryogenic testing in the X-ray & Cryogenic Facility at Nasa's Marshall Space Flight Center in Huntsville, Ala. The James Webb Space Telescope will be launched in 2018 to study the formation of the first stars and galaxies and shed new light on the evolution of the universe

PIX4645803

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will resist the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Space Telescope's primary mirror segments are prepared to begin final cryogenic testing at Nasa's Marshall Space Flight Center in Huntsville, Ala. This represents the first six of 18 segments that will form Nasa's James Webb Space Telescope's primary mirror for space observations. Engineers began final round-the-clock cryogenic testing to confirm that the mirrors will respond as expected to the extreme temperatures of space prior to integration into the telescope's permanent housing structure

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will resist the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Space Telescope's primary mirror segments are prepared to begin final cryogenic testing at Nasa's Marshall Space Flight Center in Huntsville, Ala. This represents the first six of 18 segments that will form Nasa's James Webb Space Telescope's primary mirror for space observations. Engineers began final round-the-clock cryogenic testing to confirm that the mirrors will respond as expected to the extreme temperatures of space prior to integration into the telescope's permanent housing structure

PIX4645785

Satellite Herschel - Illustration - Ariane 5 fairing with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, launched on 14 May 2009, is studying in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Launched on May 14 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Satellite Herschel - Illustration - Ariane 5 fairing with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, launched on 14 May 2009, is studying in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observato

Satellite Herschel - Illustration - Ariane 5 fairing with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, launched on 14 May 2009, is studying in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel is in orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observato

D. Ducros

PIX4646169

Satellite Kepler - Kepler spacecraft - Kepler satellite in clean room. Kepler is a satellite designed to discover inhabitable exoplanets in our galaxy. Nasa's Kepler spacecraft in a clean room at Ball Aerospace & Technologies Corp. in Boulder, Colorado. Kepler is a spaceborne telescope designed to search the nearby region of our galaxy for Earth - size planets orbiting in the habitable zone of stars like our sun

Satellite Kepler - Kepler spacecraft - Kepler satellite in clean room. Kepler is a satellite designed to discover inhabitable exoplanets in our galaxy. Nasa's Kepler spacecraft in a clean room at Ball Aerospace & Technologies Corp. in Boulder, Colorado. Kepler is a spaceborne telescope designed to search the nearby region of our galaxy for Earth - size planets orbiting in the habitable zone of stars like our sun

PIX4645644

James Webb Space Telescope (JWST) - JWST Set for Testing in Space Simulation Chamber: The James Webb Space Telescope (JWST) in front of the empty chamber door of Nasa's Johnson Space Center. He'll be locked up for a series of tests. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. 25 May 2017. Nasa's James Webb Space Telescope sits in front of the door to Chamber A, a giant thermal vacuum chamber located at Nasa's Johnson Space Center. The telescope will soon be moved into the chamber, where it will spend a hot Houston summer undergoing tests at sub-freezing cryogenic temperatures. The telescope will operate at an extremely cold 39 K (-234* C or -389* F) in space, so NASA is simulating those conditions on the ground, ensuring the optics and instruments will perform perfectly after launch. May 25 2017.

James Webb Space Telescope (JWST) - JWST Set for Testing in Space Simulation Chamber: The James Webb Space Telescope (JWST) in front of the empty chamber door of Nasa's Johnson Space Center. He'll be locked up for a series of tests. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. 25 May 2017. Nasa's James Webb Space Telescope sits in front of the door to Chamber A, a giant thermal vacuum chamber located at Nasa's Johnson Space Center. The telescope will soon be moved into the chamber, where it will spend a hot Houston summer undergoing tests at sub-freezing cryogenic temperatures. The telescope will operate at an extremely cold 39 K (-234* C or -389* F) in space, so NASA is simulating those conditions on the ground, ensuring the optics and instruments will perform perfectly after launch. May 25 2017.

PIX4607506

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from the shuttle Atlantis during its capture for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle's Canadian - built remote manipulator system. 13 May 2009

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from the shuttle Atlantis during its capture for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle's Canadian - built remote manipulator system. 13 May 2009

PIX4645302

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

PIX4645459

The Hubble Space Telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared: Hubble Space Telescope - Artist's View - Hubble Space Telescope. Artwork

The Hubble Space Telescope is a telescope orbiting the Earth at about 600 km altitude. It is 13 metres long, its main mirror has a diameter of 2.4 metres. He is equipped with spectrometer and several cameras observing the Universe in visible and infrared: Hubble Space Telescope - Artist's View - Hubble Space Telescope. Artwork

L. Bret

PIX4645566

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - Astronauts Michael Good (left) and Mike Massimino perform various maintenance tasks on the Hubble space telescope (HST) during the fourth of five space sorties planned during the STS mission - 125. 17 May 2009. Astronauts Michael Good (left) and Mike Massimino, both STS - 125 mission specialists, participate in the mission's fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight - hour, two - minute spacewalk, Massimino and Good continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble's life into the next decade. 17 May 2009

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - Astronauts Michael Good (left) and Mike Massimino perform various maintenance tasks on the Hubble space telescope (HST) during the fourth of five space sorties planned during the STS mission - 125. 17 May 2009. Astronauts Michael Good (left) and Mike Massimino, both STS - 125 mission specialists, participate in the mission's fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight - hour, two - minute spacewalk, Massimino and Good continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble's life into the next decade. 17 May 2009

PIX4645398

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

PIX4645452

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Primary Mirror Segment Cryogenic Testing - Six of the 18 James Webb Space Telescope mirror segments are being prepped to move into the X-ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling -414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's largest X-ray telescope test facility and a unique, cryogenic, clean room optical test location — James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Primary Mirror Segment Cryogenic Testing - Six of the 18 James Webb Space Telescope mirror segments are being prepped to move into the X-ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling -414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's largest X-ray telescope test facility and a unique, cry

James Webb Space Telescope Mirrors (JWST) - Testing of the JWST's mirrors: Six of the 18 JWST (James Webb Space Telescope) mirrors seen at Nasa's Marshall Space Center. These mirrors will be tested there to ensure they will withstand the extreme temperatures of space vacuum. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared - Primary Mirror Segment Cryogenic Testing - Six of the 18 James Webb Space Telescope mirror segments are being prepped to move into the X-ray and Cryogenic Facility, or XRCF, at Nasa's Marshall Space Flight Center in Huntsville, Ala., to eventually experience temperatures dipping to a chilling -414 degrees Fahrenheit to ensure they can withstand the extreme space environments. The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's largest X-ray telescope test facility and a unique, cry

PIX4645789

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

PIX4645435

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

Hubble space telescope: end of the 4th maintenance mission 05/2009 - Hubble space telescope: end of the fourth repair mission - The Hubble space telescope (HST) seen from space shuttle Atlantis after their separation on 19 May 2009. An STS - 125 crew member aboard the Space Shuttle Atlantis captured this still image of the Hubble Space Telescope as the two spacecraft begin their relative separation on May 19, after having been linked together for the better part of a week. During the week five spacewalks were performed to complete the final servicing. 19 May 2009

PIX4645443

Satellite Herschel - Illustration - Ariane 5 fairing with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observatory will be bigger and better than any of its predecessors. Moreover, it will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Due for launch in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Satellite Herschel - Illustration - Ariane 5 fairing with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observa

Satellite Herschel - Illustration - Ariane 5 fairing with satellite Herschel. Artwork - Artist's view of the European satellite Herschel during its launch by an Ariane 5 rocket. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. ESA's Herschel Space Observatory (formerly called Far Infrared and Submillimetre Telescope or FIRST) will solve the mystery of how stars and galaxies were born. Objects such as other planetary systems, or processes like the birth of galaxies in the early universe, can best be studied with infrared space telescopes in space. This is the reason for Esa's Herschel. ESA's Herschel Space Observa

D. Ducros

PIX4646125

Herschel satellite - Herschel spacecraft being prepared for acoustic tests - The European satellite Herschel prepares for acoustic tests in June 2008. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. A picture of the Herschel spacecraft being prepared for acoustic tests. On 5 and 6 June 2008, the Herschel spacecraft successfully passed its acoustic tests. During the tests, the spacecraft was subjected to acoustic noise, generated to simulate the noise levels during launch, at the European Space Research and Technology Centre's Large European Acoustic Facility (LEAF). ESA's Herschel Space Observatory will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope. Due for launch in 2009, Herschel is one the Cornerstone missions ESA's Horizons 2000 programme. Herschel is a key project space astronomy in the next millennium — Herschel satellite - Herschel spacecraft being prepared for acoustic tests - The European satellite Herschel prepares for acoustic tests in June 2008. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. A picture of the Herschel spacecraft being prepared for acoustic tests. On 5 and 6 June 2008, the Herschel spacecraft successfully passed its acoustic tests. During the tests, the spacecraft was subjected to acoustic noise, generated to simulate the noise levels during launch, at the European Space Research and Technology Centre's Large European Acoustic Facility (LEAF). ESA's Herschel Space Observatory will observe

Herschel satellite - Herschel spacecraft being prepared for acoustic tests - The European satellite Herschel prepares for acoustic tests in June 2008. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. A picture of the Herschel spacecraft being prepared for acoustic tests. On 5 and 6 June 2008, the Herschel spacecraft successfully passed its acoustic tests. During the tests, the spacecraft was subjected to acoustic noise, generated to simulate the noise levels during launch, at the European Space Research and Technology Centre's Large European Acoustic Facility (LEAF). ESA's Herschel Space Observatory will observe

A. Le Floch

PIX4646080

Jupiter and its satellite Io - Illustration - Io and the Great Red Spot - Illustration - The Io satellite in front of Jupiter's Great Red Spot. In the center of the picture, the small satellite Amalthee. This painting shows Io superimposed in front of the Great Red Spot of Jupiter. It represents the spot's appearance during the 1970s. The small central object is the tiny moon Amalthea

Jupiter and its satellite Io - Illustration - Io and the Great Red Spot - Illustration - The Io satellite in front of Jupiter's Great Red Spot. In the center of the picture, the small satellite Amalthee. This painting shows Io superimposed in front of the Great Red Spot of Jupiter. It represents the spot's appearance during the 1970s. The small central object is the tiny moon Amalthea

PIX4575236

Mars and its satellites - Mars and its moons - Photomontage showing the planet Mars surrounded by its two satellites, Phobos (middle) and Deimos (right)

Mars and its satellites - Mars and its moons - Photomontage showing the planet Mars surrounded by its two satellites, Phobos (middle) and Deimos (right)

PIX4616921

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from the shuttle Atlantis during its capture for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle's Canadian - built remote manipulator system. 13 May 2009

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from the shuttle Atlantis during its capture for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle's Canadian - built remote manipulator system. 13 May 2009

PIX4645290

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other region — Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other regi

Satellite COROT - Artist's view of COROT - Artist's view of COROT - Artist's view of the satellite COROT in space. Launched at the end of December 2006, this satellite studies the physical phenomena occurring inside the stars. It is also used for the detection of extrasolar planets by observing the periodic micro-eclipses that these planets cause by passing in front of their mother star. Artist's view of COROT, the exoplanet hunter mission led by CNES, with ESA participation. Launched in December 2006, COROT is placed on a circular, polar orbit around Earth that allow for continuous observations of two large and opposite regions in the sky for more than 150 days each. Within each region there are many selected fields that will be monitored in turn. The reason for the oppositely sited regions is that, because of the Earth's movement around the Sun, the sun's rays start to interfere with the observations after 150 days. COROT then rotates by 180 degrees and start observing the other regi

D. Ducros

PIX4645890

The points of Lagrange and the satellite SOHO - Lagrangian points with Soho spacecraft - Schema showing the different points of Lagrange and the position of the satellite SOHO (Solar and Heliospheric Observatory), place near the point of Lagrange L1. Launched in December 1995, this satellite observes the Sun. Artwork showing the different Lagrange points with the Soho spacecraft located around the L1 point

The points of Lagrange and the satellite SOHO - Lagrangian points with Soho spacecraft - Schema showing the different points of Lagrange and the position of the satellite SOHO (Solar and Heliospheric Observatory), place near the point of Lagrange L1. Launched in December 1995, this satellite observes the Sun. Artwork showing the different Lagrange points with the Soho spacecraft located around the L1 point

D. Ducros

PIX4646287

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Observatory will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope — Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

P. Dumas

PIX4646096

Satellite INTEGRAL - Artist's view - Satellite INTEGRAL. Artwork - Artist's view of the European satellite INTEGRAL (International Gamma - Ray Astrophysics Laboratory) in orbit around the Earth. Integral (International Gamma - Ray Astrophysics Laboratory) is the first space observatory that can simultaneously observe objects in gamma rays, X - rays, and visible light. Its main targets are violent explosions known as gamma - ray bursts, powerful phenomena such as supernova explosions, and regions in the Universe thought to contain black holes. Launched on 17 October 2002 (Proton launcher from Baikonur, Kazakhstan)

Satellite INTEGRAL - Artist's view - Satellite INTEGRAL. Artwork - Artist's view of the European satellite INTEGRAL (International Gamma - Ray Astrophysics Laboratory) in orbit around the Earth. Integral (International Gamma - Ray Astrophysics Laboratory) is the first space observatory that can simultaneously observe objects in gamma rays, X - rays, and visible light. Its main targets are violent explosions known as gamma - ray bursts, powerful phenomena such as supernova explosions, and regions in the Universe thought to contain black holes. Launched on 17 October 2002 (Proton launcher from Baikonur, Kazakhstan)

D. Ducros

PIX4646238

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from the shuttle Atlantis during its capture for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle's Canadian - built remote manipulator system. 13 May 2009

Hubble space telescope: 4th maintenance mission 05/2009 - Hubble space telescope: fourth repair mission 05/2009 - The space telescope seen from the shuttle Atlantis during its capture for its fourth maintenance mission, May 13, 2009. An STS - 125 crewmember onboard the Space Shuttle Atlantis snapped a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle's Canadian - built remote manipulator system. 13 May 2009

PIX4645293

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Observatory will observe at wavelengths never covered before. It will be located 1.5 million kilometers away from Earth, farther than any previous space telescope — Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

Mirror of the Herschel satellite - Herschel spacecraft's mirror - Inspection of the mirror of the European Herschel satellite. The Herschel Space Observatory, scheduled to launch in 2009, will study in the infrared the formation of galaxies, stars and planetary systems. This satellite measures nearly 7 metres high by 4.3 metres wide and weighs 3.25 tonnes. Its telescope has a 3.5-meter mirror, making it the largest mirror ever made for a scientific space mission. Herschel will orbit around Lagrange 2, approximately 1.5 million kilometres from Earth. The gigantic telescope of ESA's space - based infrared observatory, Herschel, is being prepared to be assembled with its spacecraft. Herschel's telescope, which will carry the largest mirror ever flown in space, has been delivered to ESA's European Space Research and Technology Centre, ESTEC, where engineers and scientists are busy with the final steps that will prepare the infrared observatory for launch in 2009. ESA's Herschel Space Obser

P. Dumas

PIX4646082

Launch of the space telescope XMM - Newton - Artist's view - Launch of XMM - Newton space telescope - The space telescope XMM - Newton is a European satellite that observes the Universe in X-ray; it was launched and put into orbit in December 1999 by an Ariane 5 rocket. XMM - Newton is an european X - Ray observatory launched in december 1999 by an Ariane 5 rocket

Launch of the space telescope XMM - Newton - Artist's view - Launch of XMM - Newton space telescope - The space telescope XMM - Newton is a European satellite that observes the Universe in X-ray; it was launched and put into orbit in December 1999 by an Ariane 5 rocket. XMM - Newton is an european X - Ray observatory launched in december 1999 by an Ariane 5 rocket

D. Ducros

PIX4645580

Jupiter seen from his satellite Ganymede - Illustration - Ridges, grooves, and craters on Ganymede - Artist's view of the surface of Ganymede, Jupiter's largest satellite. An impact crater about 15 km in diameter differs from the striated surface of the satellite. In the sky are represented Jupiter, the Europe satellite on the top right, and Io on the left of Jupiter. Jupiter's largest satellite Ganymede has a varying surface, some of which is characterized by rumpled bundles of ridges and grooves that run for hundreds of miles over a frozen surface of water - ice. They probably formed long ago when tectonic forces pulled apart Ganymede's upper crust; similar sets of faults occur in rift zones on Earth, as in eastern Africa. Subsequent meteoritic impacts have peppered - - and broken in places - - the continuity of the running formations. In this image an impact crater about 10 miles in diameter dominates a scene otherwise defined by a dozen long ridges. In the middle of the crater is a central peak, formed when the energy of the impact liquefied the crust long enough for it to rebound upward and solidify once again. Immediately above the horizon, Jupiter is still a majestic spectacle, even at a distance of nearly three times that between the Earth and its moon. Much closer on the upper right is Ganymede's sister satellite Europa. At a distance of 307 thousand miles from this vantage point, Europe is only a quarter again as far as the Earth is from its moon. To the lower left of Jupiter at nearly a million miles is Jupiter's volcanic satellite Io — Jupiter seen from his satellite Ganymede - Illustration - Ridges, grooves, and craters on Ganymede - Artist's view of the surface of Ganymede, Jupiter's largest satellite. An impact crater about 15 km in diameter differs from the striated surface of the satellite. In the sky are represented Jupiter, the Europe satellite on the top right, and Io on the left of Jupiter. Jupiter's largest satellite Ganymede has a varying surface, some of which is characterized by rumpled bundles of ridges and grooves that run for hundreds of miles over a frozen surface of water - ice. They probably formed long ago when tectonic forces pulled apart Ganymede's upper crust; similar sets of faults occur in rift zones on Earth, as in eastern Africa. Subsequent meteoritic impacts have peppered - - and broken in places - - the continuity of the running formations. In this image an impact crater about 10 miles in diameter dominates a scene otherwise defined by a dozen long ridges. In the middle of the crater is a

Jupiter seen from his satellite Ganymede - Illustration - Ridges, grooves, and craters on Ganymede - Artist's view of the surface of Ganymede, Jupiter's largest satellite. An impact crater about 15 km in diameter differs from the striated surface of the satellite. In the sky are represented Jupiter, the Europe satellite on the top right, and Io on the left of Jupiter. Jupiter's largest satellite Ganymede has a varying surface, some of which is characterized by rumpled bundles of ridges and grooves that run for hundreds of miles over a frozen surface of water - ice. They probably formed long ago when tectonic forces pulled apart Ganymede's upper crust; similar sets of faults occur in rift zones on Earth, as in eastern Africa. Subsequent meteoritic impacts have peppered - - and broken in places - - the continuity of the running formations. In this image an impact crater about 10 miles in diameter dominates a scene otherwise defined by a dozen long ridges. In the middle of the crater is a

Walter B Myers

PIX4575196

Spartan 201 satellite - Spartan 201 satellite seen over the Earth from space shuttle Discovery in September 1994. Astronauts onboard the space shuttle Discovery used a 70 mm camera to capture this photograph of the retrieval operations with the Shuttle Pointed Autonomous Research Tool for Astronomy 201 (SPARTAN 201). A gibbous moon can be seen in the background. 9 - 20 Sep 1994

Spartan 201 satellite - Spartan 201 satellite seen over the Earth from space shuttle Discovery in September 1994. Astronauts onboard the space shuttle Discovery used a 70 mm camera to capture this photograph of the retrieval operations with the Shuttle Pointed Autonomous Research Tool for Astronomy 201 (SPARTAN 201). A gibbous moon can be seen in the background. 9 - 20 Sep 1994

PIX4646354

Aurore boreale sur Jupiter et Io - Illustration - Backlit Io with aurora - Artwork - View of aurora boreales artist on Jupiter and its satellite Io, in the foreground. Artwork showing the giant planet Jupiter with its volcanic moon Io in foreground during aurora borealis

Aurore boreale sur Jupiter et Io - Illustration - Backlit Io with aurora - Artwork - View of aurora boreales artist on Jupiter and its satellite Io, in the foreground. Artwork showing the giant planet Jupiter with its volcanic moon Io in foreground during aurora borealis

Miller, Ron (b.1947)

PIX4575032

Geyser sur Enceladus - Artist view - Water geyser on Enceladus - Artist view - Artist view of an ice geyser on the surface of the Enceladus satellite. In the sky, the planet Saturn. Enceladus, one of Saturn's many icy moons, is now known to possess underground reservoirs of liquid water which sometimes erupt to the surface in the form of great jets or geysers. These keep the moon's surface sparkling white, and even add material to Saturn's rings

Geyser sur Enceladus - Artist view - Water geyser on Enceladus - Artist view - Artist view of an ice geyser on the surface of the Enceladus satellite. In the sky, the planet Saturn. Enceladus, one of Saturn's many icy moons, is now known to possess underground reservoirs of liquid water which sometimes erupt to the surface in the form of great jets or geysers. These keep the moon's surface sparkling white, and even add material to Saturn's rings

PIX4625859

Jupiter seen from satellite Europe - Illustration - Europa southern hemisphere: Jupiter seen from an ice valley of the satellite Europe - Europa ice chasm

Jupiter seen from satellite Europe - Illustration - Europa southern hemisphere: Jupiter seen from an ice valley of the satellite Europe - Europa ice chasm

Miller, Ron (b.1947)

PIX4614370

James Webb Space Telescope (JWST) - Artist View - The James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth

James Webb Space Telescope (JWST) - Artist View - The James Webb Space Telescope (JWST) - Artist view - The James Webb Space Telescope (JWST) will replace the Hubble Space Telescope in 2014. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. The James Webb Space Telescope (JWST) is a large, infrared - optimized space telescope scheduled for launch in 2014. Equipped with a large mirror 6.5 meters (21.3 feet) in diameter, it will find the first galaxies that formed in the early Universe, connecting the Big Bang to our own Milky Way Galaxy and will reside in an orbit about 1.5 million km (1 million miles) from the Earth

C. Carreau

PIX4645746

Spitzer space telescope - Artist's view - Artwork of Spitzer space telescope - Spitzer space telescope observes the universe in infrared; it was launched and put into orbit in August 2003. The Spitzer Space Telescope (formerly SIRTF, the Space Infrared Telescope Facility) was launched into space by a Delta rocket from Cape Canaveral, Florida on 25 August 2003

Spitzer space telescope - Artist's view - Artwork of Spitzer space telescope - Spitzer space telescope observes the universe in infrared; it was launched and put into orbit in August 2003. The Spitzer Space Telescope (formerly SIRTF, the Space Infrared Telescope Facility) was launched into space by a Delta rocket from Cape Canaveral, Florida on 25 August 2003

PIX4645627

James Webb Space Telescope (JWST) - JWST in clean room: View of the James Webb Space Telescope (JWST) at Nasa's Goddard Space Center on May 4, 2016. The JWST will replace the Hubble Space Telescope in 2018. A rare view of the James Webb Space Telescope face-on, from the NASA Goddard cleanroom observation window

James Webb Space Telescope (JWST) - JWST in clean room: View of the James Webb Space Telescope (JWST) at Nasa's Goddard Space Center on May 4, 2016. The JWST will replace the Hubble Space Telescope in 2018. A rare view of the James Webb Space Telescope face-on, from the NASA Goddard cleanroom observation window

PIX4645823

Europa Clipper probe - Artist view - Europa Clipper - Artist view: Artist view of the Europa Clipper probe, a NASA space mission project whose objective is the study of Europe, one of Jupiter's satellites. It could be launched in the beginning of the decade 2020. Europa Clipper is an interplanetary mission in development by NASA to study Europa. Set for a launch in the 2020s.

Europa Clipper probe - Artist view - Europa Clipper - Artist view: Artist view of the Europa Clipper probe, a NASA space mission project whose objective is the study of Europe, one of Jupiter's satellites. It could be launched in the beginning of the decade 2020. Europa Clipper is an interplanetary mission in development by NASA to study Europa. Set for a launch in the 2020s.

PIX4643578

Jupiter seen from its satellite Europe - Illustration - Jupiter from Europa's surface - Illustration - Jupiter seen from the icy surface of the satellite Europe. Also visible in the sky, the satellite Io. Jupiter seen from Europa's icy surface. Also visible in the sky, Io, another jovian moon

Jupiter seen from its satellite Europe - Illustration - Jupiter from Europa's surface - Illustration - Jupiter seen from the icy surface of the satellite Europe. Also visible in the sky, the satellite Io. Jupiter seen from Europa's icy surface. Also visible in the sky, Io, another jovian moon

Miller, Ron (b.1947)

PIX4575142

Geysers sur Enceladus - Artist view - Enceladus' ice geysers - Artist view - Artist view of ice jets on the surface of the Enceladus satellite. It would appear that these particles feed the E-ring of Saturn, the origin of which was previously unknown. Geysers erupt from the so called Tiger Stripes of Encaledus, one of Saturn's moons. Artist view

Geysers sur Enceladus - Artist view - Enceladus' ice geysers - Artist view - Artist view of ice jets on the surface of the Enceladus satellite. It would appear that these particles feed the E-ring of Saturn, the origin of which was previously unknown. Geysers erupt from the so called Tiger Stripes of Encaledus, one of Saturn's moons. Artist view

Steven Hobbs

PIX4625825

Satellite Kepler - Kepler spacecraft - Kepler satellite in clean room. Kepler is a satellite launched in March 2009, designed to discover inhabitable exoplanets in our galaxy. Nasa's Kepler spacecraft in a clean room at Ball Aerospace & Technologies Corp. in Boulder, Colorado. Kepler is a spaceborne telescope launched in march 2009 and designed to search the nearby region of our galaxy for Earth - size planets orbiting in the habitable zone of stars like our sun

Satellite Kepler - Kepler spacecraft - Kepler satellite in clean room. Kepler is a satellite launched in March 2009, designed to discover inhabitable exoplanets in our galaxy. Nasa's Kepler spacecraft in a clean room at Ball Aerospace & Technologies Corp. in Boulder, Colorado. Kepler is a spaceborne telescope launched in march 2009 and designed to search the nearby region of our galaxy for Earth - size planets orbiting in the habitable zone of stars like our sun

PIX4645650

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