Layers of the Martian South Polar Cap . ... Credit Copyright: Malin Space Science Systems , MGS , JPL , NASA Explanation: The South Pole of Mars is stranger than was previously thought. ... The layers probably include carbon dioxide ice , water ice , rock and dust . ... The above image covers a region five kilometers across, resolving details as small as 25 meters across. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: LHEA at NASA / GSFC . ...