HiRISE: A frosted surface

ESP_058900_2595This is the first of a new monitoring series to track seasonal processes. It is also a striking image with late winter angled illumination over dunes covered by carbon dioxide frost mixed with dust.

Dark spots may be where sand is exposed from very early defrosting activity. The incidence angle is 87 degrees, or just 3 degrees above the horizon. [More at link]

This entry was posted in Reports and tagged , , , , , , , , , , . Bookmark the permalink.

Comments are closed.