HiPOD: Etchings of a Barren World

These fascinating features are likely caused by sublimation that produces furrows in the surface and have not yet been filled-in with material. Our science goal for this observation was simple: to study wind direction in the spring in a sparsely sampled region at the South Pole of Mars.

https://uahirise.org/ESP_074763_0975
NASA/JPL-Caltech/UArizona
#Mars #science #NASA