These small, branched valleys at the edge of an old impact crater are located west of Idaeus Fossae. Many valleys occur all over Mars that reveal an extensive ancient history of liquid water erosion.

ID: ESP_055097_2140
date: 28 April 2018
altitude: 292 km

https://uahirise.org/hipod/ESP_055097_2140
NASA/JPL-Caltech/UArizona
#Mars #science #NASA