This observation from NASA's Mars Reconnaissance Orbiter (MRO) shows part of the floor of a large impact crater in the southern highlands, north of the giant Hellas impact basin.
This observation from NASA's Mars Reconnaissance Orbiter (MRO) shows part of the floor of a large impact crater in the southern highlands, north of the giant Hellas impact basin.
This observation from NASA's Mars Reconnaissance Orbiter (MRO) shows part of the floor of a large impact crater in the southern highlands, north of the giant Hellas impact basin. (Photo by: Universal History Archive/UIG via Getty Images)
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Album / Universal Images Group / Universal Science Images \ UIG