Areography
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Areography, also known as the geography of Mars, is a subfield of planetary science that entails the delineation and characterization of regions on Mars. Areography is mainly focused on what is called
Airy-0 crater, October 2021
Mars, 2001, with the southern polar ice cap visible on the bottom
North Polar region with icecap
A fresh impact crater on Mars 3°42′N 53°24′E / 3.7°N 53.4°E / 3.7; 53.4, November 2013
Hellas Planitia
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Hellas Planitia is a plain located within the huge, roughly circular impact basin Hellas located in the southern hemisphere of the planet Mars. Hellas is the fourth or fifth-largest known impact crate
Areography
…Marineris or the Mariner Valley, which is 4,000 km long and 7 km deep. Mars is also scarred by countless impact craters. The largest of these is the Hellas impact basin. See list of craters on Mars. Mars has two permanent polar ice caps, the northern one located at Planum Boreum and the southern one at Planum Australe…
Viking orbiter image mosaic of Hellas Planitia
Geographic context of Hellas
Apparent viscous flow features on the floor of Hellas, as seen by HiRISE.
Twisted bands on the floor of Hellas Planitia, as seen by HiRISE under HiWish program