The Bruce Murray Space Image Library
Global color view of Saturn's moon Dione from Cassini
Filed under Dione, pretty pictures, Cassini, amateur image processing, global views, Saturn's moons
Dione's leading hemisphere is mostly dark except where it is cut by the so-called "wispy terrain." Cassini images like this one, taken on July 24, 2006, reveal that the wispy terrain, once thought to be possible volcanic flows, is actually composed of the bright, fresh, icy faces of tectonic fractures cut in to Dione's surface.
NASA / JPL / SSI / color composite by Gordan Ugarkovic
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Original image data dated on or about June 24, 2006
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