The HiRISE camera on NASA Mars Reconnaissance Orbiter snapped this series of pictures of sand dunes in the north polar region of Mars. Each panel shows ice cracks releasing dark sand as spring progresses.
Seasonal Changes on Far-Northern Mars
The HiRISE camera on NASA Mars Reconnaissance Orbiter snapped this series of pictures of sand dunes in the north polar region of Mars. Each panel shows ice cracks releasing dark sand as spring progresses.