These lovely dunes and their tantalizing frost are inside the massive Proctor Crater. The crater is 168 kilometers in diameter and was named after Richard A. Proctor, a British astronomer (1837–1888).

ID: ESP_054158_1320
date: 14 February 2018
altitude: 252 km

https://uahirise.org/hipod/ESP_054158_1320
NASA/JPL-Caltech/University of Arizona
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