Polygon network
Location:
Utopia Planitia, MarsDate:
01/04/2009
Polygons are observed over the region of Utopia Planitia. They are thought to be due to thermal-contraction cracking like in cold region on Earth. HiRISE image.

Polygons are observed over the region of Utopia Planitia. They are thought to be due to thermal-contraction cracking like in cold region on Earth. HiRISE image.