Mars

The true global geography of Mars first emerged with comprehensive maps from Mariner 9 and Viking during the 1970's. This visualization tours the Red Planet using the Viking data set, hitting such features as the Valles Marineris canyons and the Olympus Mons volcano. Note: A flyby of the Martian surface, using topography and imagery from Mariner 9 and Viking. Animator: Robert Crippen (NASA), David Curkendall (NASA/JPL CalTech), Joseph Jacob (NASA), Peggy Li (NASA), Lucian Plesea (NASA/JPL CalTec