This 2008 image shows a portion of the North Polar layered deposits with lines of very small pits, only about 1 meter in diameter.

Such small pits should be quickly filled in by seasonal ice and dust, so their existence suggests active processes such as faults pulling apart the icy layers.

ID: PSP_009834_2645
date: 31 August 2008
altitude: 320 km

https://uahirise.org/hipod/PSP_009834_2645
NASA/JPL-Caltech/University of Arizona
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