The gullies in shadow here add to the striking look of this gorgeous picture. The objective of this observation is to explore the role of seasonal volatiles (frost) in gully formation and evolution.

ID: ESP_054774_1395
date: Tuesday, 3 April 2018
altitude: 251 km (155.62 mi)

https://uahirise.org/hipod/ESP_054774_1395
NASA/JPL-Caltech/University of Arizona
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