Differences Between Ganymede and Callisto Explained Differences in the number and speed of cometary impacts onto Jupiter's large moons Ganymede and Callisto some 3.8 billion years ago can explain their vastly different surfaces and interior states, according to research scientists
Jupiter's Moons - 400 Years After Galileo On Jan. 7, 1610, Galileo Galilei's improvements to the telescope enabled humanity to see Jupiter's four largest moons for the first time.
First Global Geological Map of Jupiter's Moon Ganymede Scientists have assembled the first global geological map of the solar system's largest moon -- and in doing so have gathered new evidence into the formation of the large, icy satellite.
Jupiter Captured Comet for 12 Years Comet 147P/Kushida-Muramatsu was captured as a temporary moon of Jupiter in the mid-20th century and remained trapped in an irregular orbit for about twelve years.
Ganymede Makes Big Impression on Jupiter's Aurora Studies of features in Jupiter's spectacular and rapidly changing aurorae have given new insights into the complex electromagnetic interactions between the giant planet and two of its innermost moons.
Cassini Data Show Ice and Rock Mixture Inside Titan By precisely tracking NASA's Cassini spacecraft on its low swoops over Saturn's moon Titan, scientists have determined the distribution of materials in the moon's interior.
NASA Cassini Significant Events 02/24/10 - 03/02/10 The most recent spacecraft telemetry was acquired on Mar. 2 from the Deep Space Network tracking complex at Canberra, Australia. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally.
Is That Saturn's Moon Titan or Utah? Planetary scientists have been puzzling for years over the honeycomb patterns and flat valleys with squiggly edges evident in radar images of Saturn's moon Titan.
NASA Cassini Significant Events 02/17/10 - 02/23/10 The most recent spacecraft telemetry was acquired on Feb. 23 from the Deep Space Network tracking complex at Canberra, Australia. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally.
Cassini Finds Plethora of Plumes, Hotspots at Enceladus Newly released images from last November's swoop over Enceladus by Cassini reveal a forest of new jets spraying from prominent fractures crossing the south polar region and yield the most detailed temperature map to date of one fracture.
NASA Cassini Significant Events 02/10/10 - 02/16/10 The most recent spacecraft telemetry was acquired on Feb. 16 from the Deep Space Network tracking complex at Madrid, Spain. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally.
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