This was
your sky.

Ares 3 Landing Site: The Martian Revisited

This close-up from the Mars Reconnaissance Orbiter's HiRISE camera shows southern Acidalia Planitia. The area is famous as the landing site in Andy Weir's novel *The Martian*. Here, weathered craters and windblown deposits appear in a striking blue, though to the human eye, the terrain would likely look gray or reddish.