Dark Light
These lovely linear dunes at Meroe Patera identified in Context Camera images that have developed in a sand starved region of the dune field, elongating from behind a cliff.

HiRISE was asked to obtain this observation in order to compare morphology to other linear dunes elsewhere on Mars.


Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_065194_1875
Related Posts

Dunes in Meridiani Planum

HiRISE monitors dune fields across Mars to track how they are changing. The mobile sand also cleans dust off of the bedrock in inter-dune areas, providing good views of the bedrock structures and colors.