Mars digital-image mosaic merged with color of the MC-23 quadrangle, Aeolis region of Mars. This image is from NASA's Viking Orbiter 1.

Mars digital-image mosaic merged with color of the MC-23 quadrangle, Aeolis region of Mars. The southern part is dominated by heavily cratered highlands that are cut by two large channels having features characteristic of terrestrial river beds. The highlands are separated from the northern plains of Elysium Planitia by a highly dissected, discontinuous northwest trending scarp. The northeastern part is marked by a large shield volcano, Apollinaris Patera. Latitude range - 30 to 0 degrees, longitude range -180 to -135 degrees.

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