Frosted Sand Dunes On Mars
HiRISE (@HiRISE: Beautiful Mars) posted: HiPOD: Frosted Dunes https://www.uahirise.org/hipod/ESP_045311_1205
Frosted Sand dunes cover much of this terrain, which has large boulders lying on flat areas between the dunes.
These dunes are just getting enough sunlight to start defrosting their seasonal cover of carbon dioxide.
Astrobiology, Astrogeology,
