Daily Archives: September 18, 2012

Fluffy White Stuff Falling in the Last Place You’d Expect It

Scientists at NASA’s Jet Propulsion Laboratory have been poring over data collected from the Mars Reconnaissance Orbiter (MRO) and have discovered snowfall, in the form of carbon dioxide snowfall, that fell to the surface of Mars six years ago (six years means a lot of data are coming from the MRO, yes?). Frozen carbon dioxide by the way, in frozen form, is as close as your local Earth supermarket’s sub-zero freezer: it’s called dry ice.