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Inside Enceladus, Icy Moon of Saturn (Infographic)  The geography and interior of Enceladus.

Dione (A moon of Saturn) This view highlights tectonic faults and craters on Dione, an icy world that has undoubtedly experienced geologic activity since its formation. Image credit: NASA/JPL/Space Science Institute Source link: http://www.nasa.gov/images/content/627613main_pia07691-full_full.jpg

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Methone: 3-kilometer diameter Smooth Egg Moon of Saturn - Why is this moon shaped like a smooth egg? The robotic Cassini spacecraft completed the first flyby ever of Saturn's small moon Methone in May and discovered that the moon has no obvious craters. Craters, usually caused by impacts, have been seen on every moon, asteroid, and comet nucleus ever imaged in detail -- until now.

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1981: A true-colour photograph of Saturn, taken by Voyager 2 from a distance of 34 million kilometres, shows the moons Rhea and Dione as white dots beneath the planet. NASA/JPL-Caltech

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Cassini Spacecraft Photos Show Saturn's 'Blue Moon' in All Its GloryCredit: NASA/JPL/SSIA false-color view of Saturn's moon Rhea captured by NASA's Cassini spacecraft on March 2, 2010. This image shows the side of the moon that always faces the planet. Ultraviolet, green and infrared images were combined into a single picture that isolates and maps regional color differences. This "color map" was then superimposed over a clear-filter image that preserves the relative brightness across the…

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