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Don Davis’ Mariner Mars globe (Solis Lacus side)

Don Davis’ Mariner Mars globe (Solis Lacus side)
Don Davis’ Mariner Mars globe (Solis Lacus side) The dark region in the center is known to Earthly observers as Solis Lacus, Lake Of the Sun. Above it is the east-west dark marking that turned out later to be the dark dune-covered floor of a giant canyon complex, Valles Marineris. The polar cap can be seen to be partially covered by closeup photography, which also just begins to reveal the Argyre impact basin. On the original globe, hints of the Tharsis volcanoes can be, in retrospect, partially traced out among the albedo markings. Don Davis