A fault scarp has cut across and deformed several small impact craters (arrows). The fault has carried material up and over the craters, burying parts of their floors and rims. About half of the rim and floor of a 20-m crater (box) has been covered. Small craters are quickly destroyed by newer impacts, so the fault (which is later) is relatively young (from ref. 3). Credit: NASA/Goddard/Arizona State University/Smithsonian
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