This trough is boldly intersecting the rim of an old impact crater that looks filled-in with possible ancient lava. There are also what appear to be a chain of smaller craters as well as collapse pits.

ID: ESP_055099_2070
date: 28 April 2018
altitude: 280 km

https://uahirise.org/hipod/ESP_055099_2070
NASA/JPL-Caltech/UArizona
#Mars #science #NASA