Successive Formation of Impact Craters
Photojournal: PIA15382
Source: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
Published: February 16, 2012
This image from NASA's Dawn spacecraft shows two overlapping impact craters on asteroid Vesta. The rims of the craters are both reasonably fresh but the larger crater must be older because the smaller crater cuts across the larger crater's rim.

ENLARGE

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