<p>Apron of a Middle Fan in Ostrov Crater — These higher-standing ridges were more resistant to erosion here in Ostrov Crater, which is located in Margaritifer Terra, south of the equator. Portions of this crater look smooth in other images. (Note: the crater in this image is *not* Ostrov).
</p><p>NASA/JPL/University of Arizona (258 km above the surface; scene is less than 5 km top to bottom and north is to the right.)
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2018-05-08 08:43
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