Today's Image of Mars is of a doublet crater, which occurs when two meteorites impact at the same time. The shock waves that emitted from the double impact created the slight central rim and the wing-like debris visible on the outside of the rims.
This image was taken on December 19 2010 by Mars Odyssey Orbiter's Thermal Emission Imaging System (THEMIS). Click the image to see the informational page from the THEMIS site.
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