What looks like a very close shot of the frost on my windshield this morning, it’s less than – 20 C (- teens F), is actually an image of the western Tithonium Chasma/Ius Chasma portion of the Valles Marineris on Mars. It also is one of the last if not the last image from the Mars Global Surveryor.

Image Credit: NASA / JPL / Malin Space Science Systems