Valles Marineris
Nov. 20, 2024
Mars One on Twitter: "#DYK The Valles Marineris on Mars is 4 times longer, 5 times deeper, and 20 times wider than the Grand Canyon. Who\ Valles Marineris in the east of the Tharsis volcanic region - DLR Portal Valles Marineris - Wikipedia Valles Marineris