This hill in the South Polar layered deposits has influenced the erosion of the icy layers. The hill protects the layers from erosion, so the pattern of erosion to the sides of the hill forms a beautiful spiral pattern.

ID: ESP_049115_0955
date: 17 January 2017
altitude: 248 km

https://uahirise.org/hipod/ESP_049115_0955
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA