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Put on the Red Light
Today's image shows a color view of the southern rim of the Caloris impact basin. The prominent reddish spots are associated with irregular depressions that are thought to be volcanic vents. The reddish deposits are probably formed of pyroclastic material ejected from the vents during explosive eruptions. The images were binned on the spacecraft from their original size of 1024 by 1024 to 256 by 256 pixels in order to manage space on the solid-state data recorder.
Date acquired: July 03, 2011
Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington