Impact Crater with Smoothed Rim
Photojournal: PIA15405
Source: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
Published: March 1, 2012

This image from NASA's Dawn spacecraft of asteroid Vesta shows hows a large impact crater whose rim is rather smoothed and degraded. There are many smaller, younger craters surrounding and inside of this crater and these have sharper, fresher rims.

ENLARGE

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