Could There Be Underground Lakes on Mars’s Southern Pole?
The bright white region of this image shows the icy cap that covers Mars’ south pole, composed of frozen water and frozen carbon dioxide. ESA’s Mars Express imaged this area of Mars on Dec. 17, 2012, in infrared, green, and blue light, using its High Resolution Stereo Camera. ESA/DLR/FU Berlin/Bill Dunford The question of how…