The Saturnian moon Dione PIA01366
Many large impact craters are seen in this view of the Saturnian moon Dione taken by NASA's Voyager 1 on Nov. 12 1980, from a range of about 240,000 kilometers.

Bright radiating patterns probably represent debris rays thrown out of impact craters; other bright areas may be topographic ridges and valleys. Also visible are irregular valleys that represent old fault troughs degraded by impacts. The center of the frame is at 26 degrees south latitude on the Saturn-facing hemisphere.
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Image Credit:JPL, NASA