HiRISE Picture of the Day: 23 January 2026 
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Valleys and Inverted Channels in Melas Chasma

Valleys and Inverted Channels in Melas Chasma

Valleys and Inverted Channels
This observation features a series of interstratified valleys and inverted channels at the western end of the southwestern basin in Melas Chasma. Melas is part of the largest canyon system on Mars, Valles Marineris. At only 563 kilometers long (349 miles) Melas is not the longest canyon, but it is the widest.

ID: ESP_076621_1710
date: 30 November 2022
altitude: 265 km

https://uahirise.org/hipod/ESP_076621_1710
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA

Black & white is less than 5 km across; enhanced color is less than 1 km. For full observation details, visit the ID link.