Bruce Murray Space Image Library

Layers in Mars' south polar cap

Layers in Mars' south polar cap
Layers in Mars' south polar cap This Mars Odyssey THEMIS VIS image of the defrosting layers of the south polar cap was taken on August 23, 2016. Some of the layers show the characteristic pits known as "swiss cheese" terrain. The image shows a region about 14 kilometers wide. NASA / JPL-Caltech / ASU