South Polar Spots

Dark spots appear on the south polar ice cap just after the Sun starts to shine.

Photo credit: NASA/JPL/Arizona State University

Note: For similar images of "spots" and the explanation to the phenomenon, see Mound of South Polar Layered Deposits, Sand Dune Field in Richardson Crater, Dust Fans on the Seasonal Carbon Dioxide Polar Cap, Defrosting in Inca City, and Spider Features in the South Polar Region,