Surface Covered by Regolith and Fresh Young Impacts
Photojournal: PIA15550
Source: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
Published: April 10, 2012
This image of asteroid Vesta from NASA's Dawn spacecraft shows a relatively smooth area of Vesta's surface. This region is smooth because it is mostly covered by fine-grained debris, known as regolith.

ENLARGE

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