These dunes, located within a massive and degraded impact crater, have pits that change from year to year. Their odd characteristics resemble dust ridges. Part of the rationale for this observation was to get a closer look at the pits.

ID: ESP_065878_1245
date: 15 August 2020
altitude: 249 km

https://uahirise.org/hipod/ESP_065878_1245
NASA/JPL-Caltech/UArizona
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