(Bill Dunford/FU Berlin/DLR/ESA)
Shades of Red at Mars’ South Pole
The southern cap of Mars hosts a swirl of colors in this image released by ESA on Feb. 9, 2015. The bright white area is composed of frozen water and carbon dioxide. The image was originally captured on Dec. 17, 2012, in infrared, green and blue light, using the High Resolution Stereo Camera on ESA's Mars Express spacecraft.