The objective of this observation is to determine the nature of ridges and troughs along a crater wall in northwest Arena Colles. A Context Camera image shows a few pits along the troughs, so water may have been trapped in the ground. HiRISE may be able to see many more pits and evidence of pits.

ID: ESP_075982_2100
date: 11 October 2022
altitude: 286 km

https://uahirise.org/hipod/ESP_075982_2100
NASA/JPL-Caltech/University of Arizona
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