Polar Dunes

Dunes in the Vastitas Borealis region of Mars are seen in this image from NASA Mars Odyssey spacecraft. These sand seas migrate around the north polar cap following the strong polar vortex winds.

Dunes in the Vastitas Borealis region of Mars are seen in this image from NASA Mars Odyssey spacecraft. These sand seas migrate around the north polar cap following the strong polar vortex winds.