Sublimation is the process of a solid transforming directly into a gas, which can have interesting effects on the landscape. The southern polar region of Mars is an area where this process is at work, and one that we can track across seasons.

ID: ESP_056716_0935
date: 1 September 2018
altitude: 246 km

https://uahirise.org/hipod/ESP_056716_0935
NASA/JPL-Caltech/UArizona
#Mars #science #NASA