This image shows rare dunes superposed on elements of the polar cap near Olympia Undae, which is a vast dune field in the north polar region of Mars.

ID: ESP_059741_2615
date: 25 April 2019
altitude: 318 km

https://uahirise.org/hipod/ESP_059741_2615
NASA/JPL-Caltech/UArizona
#Mars #science #NASA