This daytime IR image from NASA Mars Odyssey spacecraft shows part of the dune field on the floor of Kaiser Crater. The dune sand is warmer than the surrounding materials, so it appears bright in the IR image.
Kaiser Dunes in IR
This daytime IR image from NASA Mars Odyssey spacecraft shows part of the dune field on the floor of Kaiser Crater. The dune sand is warmer than the surrounding materials, so it appears bright in the IR image.