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Callisto's Icy Surface

Callisto's Icy Surface

NASA/Ames Research Center

Range: 2,318,000 kilometers (1,438,000 miles)
This picture of Callisto taken by Voyager 2 shows the moon covered with bright spots which are meteorite impact craters--a fact originally discovered from the high resolution pictures taken by Voyager 1. Scientists believe that heavily cratered terrains like these on Callisto are indicative of ancient planetary surfaces. Voyager 2 mapped the side of Callisto not seen by Voyager 1. The obsure dark streaks in this area may be fault zones, but higher resolution pictures are needed for identification.

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