THEMIS daytime infrared image mosaic showing Noctis Labyrinthus, a region of Mars containing a maze-like system of deep, steep-walled valleys, and its surroundings. The Tharsis volcanic province is to the the west (the shield volcano Pavonis Mons is at upper left) and the canyon system Valles Marineris lies to the east.
NASA / JPL-Caltech / Arizona State University
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