An existing stereo pair shows dark lineations that look very much like recurring slope lineae, but did not exhibit any observed growth within a 1-month interval of the stereo pair, unlike RSL. This picture is to look for changes, once at the same season and once in another season when RSL are known to be active.

ID: ESP_055031_1720
date: 23 April 2018
altitude: 266 km

https://uahirise.org/hipod/ESP_055031_1720
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA