Science and Exploration

A World of Snowy Dunes on Mars

By Keith Cowing
Press Release
September 21, 2017
Filed under ,
A World of Snowy Dunes on Mars
Martian Dunes
NASA

It was spring in the Northern hemisphere when this image was taken on May 21, 2017, at 13:21 local Mars time
The image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter. Over the winter, snow and ice have inexorably covered the dunes. Unlike on Earth, this snow and ice is carbon dioxide, better known to us as dry ice.

Image credit: NASA/JPL/University of Arizona Larger image

SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber.