areography
(ˌɛərɪˈɒɡrəfɪ) n (Astronomy) the description of the physical features, such as the surface, atmosphere, etc, of the planet Mars
[C19: from Greek Areos Mars + -graphy]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014