Spring at the North Pole
This image from NASA 2001 Mars Odyssey spacecraft shows sand dunes located near the north polar cap. It is springtime and the dunes will darken with time as the winter frost sublimates in the sun.
This image from NASA 2001 Mars Odyssey spacecraft shows sand dunes located near the north polar cap. It is springtime and the dunes will darken with time as the winter frost sublimates in the sun.