A piece of Mars: A giant dust devil on Mars, casting a long, dark shadow. This one is 70 m ft) wide near its base (upper left). Its sinuous shape swirls around, carrying bright dust aloft into a diffuse plume. This one is 20 km mi) high!
Wind at Work on NASA's Mars Reconnaissance Orbiter Wind is one of the most active forces shaping Mars’ surface in today’s climate. The wind has carved the features we call “yardangs,” one of many in this scene, and deposited sand on the floor of
astronomicalwonders: “ MARTIAN STORMS - Seen in 1977 by the Viking 2 Orbiter “Like its predecessor, the Viking 2 mission consisted of a lander and an orbiter designed to take high-resolution images, and study the Martian surface and atmosphere.
The Dotted Dunes of Mars. As spring dawns on the Northern Hemisphere of Mars, dunes of sand near the poles begin to defrost. Thinner regions of ice typically thaw first revealing sand whose darkness soaks in sunlight and accelerates the thaw.
Dunes in the Western Nereidum Montes, on Arrakis-- I mean Mars. The Nereidum Montes mountain range stretches over 1000 kilometres and features mountains three to four thousands metres high. Photo: NASA/JPL/University of Arizona