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PIX4575211 Surface de Callisto - Illustration - Spires on Callisto - Illustration - Artist's view of erodes ice peaks on the surface of Callisto. In May 2001 Nasa's Galileo spacecraft took the highest resolution images of any of Jupiter's satellites. The images were of the southeastern perimeter of Callisto's massive Asgard impact basin and what they revealed was unlike anything seen before in the Solar System: bright, icy spires rising from an otherwise relatively flat, cratered terrain. The spires may consist of material thrown outward from a major impact billions of years ago. In this image dozens of knobby spires rise into the airless void to twice the height of the Statue of Liberty. Over the eons the dirty ice in the spires has slowly eroded, leaving the non - ice materials to slide down and collect around the base of the spires. As this location is on the side of Callisto that always faces away from Jupiter (the “anti - Jupiter” side), its jovian host would never appear above the horizon
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PIX4586995 La Lune, Venus et Jupiter - Crescent Moon, Venus and Jupiter - La Lune et les planetes Venus (en bas) et Jupiter (sur la droite) vues le 1er decembre 2008. Deux satellites de Jupiter sont egalement visibles, Ganymede et Callisto. A beautiful conjunction between the crescent Moon with Earthshine, brilliant Venus, and mighty Jupiter is seen in the fading twilight on the first day of December, 2008. These images were shot with a simple zoom lens on a digital camera on a fixed tripod. The Moon, at magnitude -7.9, is a waxing crescent, 4 days old. The crescent is lit by the direct light of the Sun. The ""dark"" side of the Moon can also be seen, lit by Earthshine - sunlight reflected from the day side of the Earth. Jupiter, at right, shines at magnitude -2.0. Venus, at the bottom of the image, shines at magnitude -4.1. Above and to the right of Venus, two faint 6th magnitude stars in Sagittarius can be seen. Two of Jupiter's four Galilean moons can also be seen, one on each side of the planet. Ganymede, at magnitude 5.1 is the brightest and is to the upper left of Jupiter. Callisto, at magnitude 6.1 is to the lower right of the planet. Io and Europa are too close to the planet to be resolved in this image
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PIX4575274 Jupiter from his satellite Themisto - Illustration - Jupiter from Themisto - Illustration - Jupiter and its Galilean satellites (from left to right Ganymede, Europe, Io and Callisto) seen from his satellite Themisto. Themisto is a small satellite only 8 km in diameter. This is how Jupiter and its Galilean satellites may appear from the surface of Jupiter's tiny moon Themisto. At a distance of 4.7 million miles, Jupiter subtends an angle of 1.1 degrees (the moon subtends an angle of 0.5 degrees in Earth's sky). The Galilean satellites are, left to right, Ganymede, Europa, Io, and on the far right Callisto. Themisto is the next significant body orbiting Jupiter beyond Callisto. Beyond Themisto are another 54 known jovian satellites. With a mean diameter of only 5 miles and an albedo (surface brightness) about half that of the Moon, no earthbound telescope or interplanetary probe has yet revealed any details of Themisto's surface. In this image the artist is suggesting that Themisto has an ancient, dusty and heavily cratered surface with the occasional - - and fanciful - - outcropping dirty water ice
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UIS5071076 Callisto, one of the moons of Jupiter, 1979. False colour image taken by Voyager 2. Callisto is the second largest of Jupiter's four main moons, which were discovered by Galileo, and is approximately the same size as the planet Mercury. The outermost of the four, Callisto takes 16.7 Earth days to orbit Jupiter. It is the most heavily cratered planetary satellite known and the bright areas are ejecta thrown out by relatively recent impact craters. NASA's two Voyager spacecraft were launched in 1977 to explore the planets in the outer solar system. Voyager 2 reached Jupiter in 1979 before flying on to reach Saturn in 1981, Uranus (1986) and Neptune (1989). ©SSPL/NASA
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PIX8702152 This new artist’s impression depicts the final spacecraft design, the construction of which is being overseen by Airbus Defence and Space. The spacecraft’s solar wings form a distinctive cross-shape totalling 97 sq m, the largest ever flown on an interplanetary mission. The spacecraft is furnished with a laboratory of instruments that will investigate Jupiter’s turbulent atmosphere and vast magnetosphere, as well as study the planet-sized moons Ganymede, Europa and Callisto. All three moons are thought to have oceans of liquid water beneath their icy crusts and should provide key clues on the potential for such moons to harbour habitable environments. Juice’s cameras will capture exquisite details of the moon’s features, as well as identify the ices and minerals on their surfaces. Other instruments will sound the subsurface and interior of the moons to better understand the location and nature of their buried oceans. The tenuous atmosphere around the moons will also be explored. The spacecraft will also include booms such as a 10 m-long magnetometer mast (seen towards the bottom of Juice in the artist impression), a 16 m radar antenna (the long boom across the top), and antennas to measure electric and magnetic fields. The spacecraft will also include booms such as a 10 m-long magnetometer mast (seen towards the bottom of Juice in the artist impression), a 16 m radar antenna (the long boom across the top), and antennas to measure electric and magnetic fields. Juice should be launched on april 13 2023 on a seven-year journey to the Jovian system. Its tour will include a dedicated orbit phase of Jupiter, targeted flybys of Europa, Ganymede and Callisto, and finally nine months orbiting Ganymede – the first time any moon beyond our own has been orbited by a spacecraft. In the artist’s impression, which is not to scale, Ganyme
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PIX8702153 This new artist’s impression depicts the final spacecraft design, the construction of which is being overseen by Airbus Defence and Space. The spacecraft’s solar wings form a distinctive cross-shape totalling 97 sq m, the largest ever flown on an interplanetary mission. The spacecraft is furnished with a laboratory of instruments that will investigate Jupiter’s turbulent atmosphere and vast magnetosphere, as well as study the planet-sized moons Ganymede, Europa and Callisto. All three moons are thought to have oceans of liquid water beneath their icy crusts and should provide key clues on the potential for such moons to harbour habitable environments. Juice’s cameras will capture exquisite details of the moon’s features, as well as identify the ices and minerals on their surfaces. Other instruments will sound the subsurface and interior of the moons to better understand the location and nature of their buried oceans. The tenuous atmosphere around the moons will also be explored. The spacecraft will also include booms such as a 10 m-long magnetometer mast (seen towards the bottom of Juice in the artist impression), a 16 m radar antenna (the long boom across the top), and antennas to measure electric and magnetic fields. The spacecraft will also include booms such as a 10 m-long magnetometer mast (seen towards the bottom of Juice in the artist impression), a 16 m radar antenna (the long boom across the top), and antennas to measure electric and magnetic fields. Juice should be launched on april 13 2023 on a seven-year journey to the Jovian system. Its tour will include a dedicated orbit phase of Jupiter, targeted flybys of Europa, Ganymede and Callisto, and finally nine months orbiting Ganymede – the first time any moon beyond our own has been orbited by a spacecraft. In the artist’s impression, which is not to scale, Ganyme
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PIX8702151 This new artist’s impression depicts the final spacecraft design, the construction of which is being overseen by Airbus Defence and Space. The spacecraft’s solar wings form a distinctive cross-shape totalling 97 sq m, the largest ever flown on an interplanetary mission. The spacecraft is furnished with a laboratory of instruments that will investigate Jupiter’s turbulent atmosphere and vast magnetosphere, as well as study the planet-sized moons Ganymede, Europa and Callisto. All three moons are thought to have oceans of liquid water beneath their icy crusts and should provide key clues on the potential for such moons to harbour habitable environments. Juice’s cameras will capture exquisite details of the moon’s features, as well as identify the ices and minerals on their surfaces. Other instruments will sound the subsurface and interior of the moons to better understand the location and nature of their buried oceans. The tenuous atmosphere around the moons will also be explored. The spacecraft will also include booms such as a 10 m-long magnetometer mast (seen towards the bottom of Juice in the artist impression), a 16 m radar antenna (the long boom across the top), and antennas to measure electric and magnetic fields. The spacecraft will also include booms such as a 10 m-long magnetometer mast (seen towards the bottom of Juice in the artist impression), a 16 m radar antenna (the long boom across the top), and antennas to measure electric and magnetic fields. Juice should be launched on april 13 2023 on a seven-year journey to the Jovian system. Its tour will include a dedicated orbit phase of Jupiter, targeted flybys of Europa, Ganymede and Callisto, and finally nine months orbiting Ganymede – the first time any moon beyond our own has been orbited by a spacecraft. In the artist’s impression, which is not to scale, Ganyme
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Total de Resultados: 8

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