Martian Weather Report: Scattered Clouds, With a Chance of Dropping Jaws

It's another beautiful day on Mars! Highs in the lower -20s C, brisk winds from the southeast over most of Acidalia, low fog in Chryse Planitia, and upper-level orographic clouds off the Tharsis shield. Dress warmly and make sure that airlock's tightly sealed behind you! Oh, that Red Planet. Even after all these years part of my brain still thinks of it as relatively dead, unchanging, rocky and dusty, and just sitting there. But that's really unfair. A lack of liquid surface water doesn't mean t...