This image features dense, highly branched valley networks, two branches of which seem to originate in circular features: ancient crater floors, or something else? The floors of the valley networks are presently filled with north-south aligned dunes that look very pretty when lit up in afternoon light.

ID: ESP_076869_1535
date: 19 December 2022
altitude: 254 km

https://uahirise.org/hipod/ESP_076869_1535
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA