Mesas and Pits
HiRISE PICTURE OF THE DAY: 16 OCTOBER 2021
Mesas and Pits

What’s up and what’s down? This image covers mesas, or high-standing plateaus, to the north and pits, or low-standing, depressions to the south.



Splat!
Mars and the Earth run into debris in space regularly, and on our planet, meteors usually vaporize in the atmosphere. On Mars, not so much.

Boundary Condition Controls on the High-Sand-Flux Regions of Mars
It is often unclear where and why sediment is mobile on today’s Mars. A new paper takes a deeper look.