Lace on Mars

Channels formed by sublimation of a layer of seasonal dry ice are so dense in this area that they look like lace. Gas flow erodes channels as it escapes to the surface of the overlying seasonal ice layer seeking the path of least resistance.

https://uahirise.org/hipod/ESP_046414_0990
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA