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An Old Crater Almost Completely Filled with Regolith

An Old Crater Almost Completely Filled with Regolith
Photojournal: PIA15549
Source: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
Published: April 9, 2012

This image of asteroid Vesta from NASA's Dawn spacecraft shows an old, very degraded crater that is almost completely filled with regolith. Regolith is the fine-grained material that covers most of Vesta's surface.

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