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Rhea's Horizon
Posted on Wednesday, May 27, 2015
Uploaded by
Waspie_Dwarf

Image credit: NASA/JPL-Caltech/Space Science Institute
Uploader comment: The surface of Rhea (949 miles or 1527 kilometers across) has been sculpted largely by impact cratering, each crater a reminder of a collision sometime in the moon's history. On more geologically active worlds like Earth, the craters would be erased by erosion, volcanoes or tectonics.
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