Next Launch WGS 7 on a Delta 4 - Medium+ rocket from Cape Canaveral AFB, FL
24 Jul 15 0:07:00 GMT
24 Jul 15 0:07:00 EDT
Frosty Gullies on the Northern Plains of Mars
NASA's Amazing Daily Image
Seasonal frost commonly forms at middle and high latitudes on Mars, much like winter snow on Earth. However, on Mars most frost is carbon dioxide (dry ice) rather than water ice. This frost appears to cause surface activity, including flows in gullies.