The science rationale for this beautiful image is to look for and measure seasonal changes due to wind (aeolian) processes since an earlier image we acquired. High flux dunes upwind, but how do they compare downwind? The “horns” of these barchan dunes point in the direction of the prevailing wind.

ID: ESP_076841_1380
date: 17 December 2022
altitude: 250 km

https://uahirise.org/hipod/ESP_076841_1380
NASA/JPL-Caltech/University of Arizona
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