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Small, fresh butterfly crater on Mars

Small, fresh butterfly crater on Mars
Small, fresh butterfly crater on Mars A 300-meter crater on the flank of Nili Patera displays a spectacular set of dark rays. That and the crater's elliptical shape suggests it's an oblique impact. The image was taken as a result of a HiWish request. NASA / JPL / UA / Emily Lakdawalla

Much more information about this image, including lots of detailed views, is available in this blog entry.