This observation covers two tributaries and a main channel with light-toned bedrock throughout the scene. HiRISE provides a more detailed look at the stratigraphy. Nirgal Vallis is a long river channel about 610 kilometers long, and is named after Nergal, the Babylonian god of war and counterpart to the Roman god of war Mars.

ID: ESP_075156_1515
date: 8 August 2022
altitude: 255 km

https://uahirise.org/hipod/ESP_075156_1515
NASA/JPL-Caltech/University of Arizona
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