the south polar cap. The cap is comprised of layers of ice and dust deposited over millions of years. The bottom half of the image is part of a polar chasma...
the south polar cap. The cap is comprised of layers of ice and dust deposited over millions of years. The bottom half of the image is part of a polar chasma...
the south polar cap. The cap is comprised of layers of ice and dust deposited over millions of years. The bottom half of the image is part of a polar chasma...