The dark lines in this image from NASA Mars Odyssey are the tracks of dust devils in this region of Arcadia Plainitia. As the swirling winds move along the surface, they remove the dust cover, revealing the darker rock beneath.
The dark lines in this image from NASA Mars Odyssey are the tracks of dust devils in this region of Arcadia Plainitia. As the swirling winds move along the surface, they remove the dust cover, revealing the darker rock beneath.