NASA releases stunning photo of beautiful blue dunes on Mars - Mashable
space agency released a breathtakingly beautiful photo alongside a post titled, "Blue Dunes on the Red Planet.".
As noted in the post, the dunes surround Mars' northern polar cap and were created by gusts of wind.This particular scene was taken with the infrared camera of the Mars Odyssey orbiter, called the Thermal Emission Imaging System (THEMIS).The post goes on to note that in addition to helping scientists create maps of Mars, the THEMIS allows them to identify the presence of everything from sandstone to salts.The blue dunes photo above combines images taken from the orbiter during Dec