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A wind-levelled surface

18 Sep 2015, 18:17 UTC
A wind-levelled surface
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A Piece of Mars: In this 676×380 m (0.42×0.24 mi) scene, the high-standing hills here were all carved by sandblasting, by a wind that probably blew from right to left. Ripples in the valleys show that this erosion is still occurring today. (HiRISE ESP_041864_1745, NASA/JPL/Uni. of Arizona)

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