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  Mars Reconnaissance Orbiter - Dark Rimless Pits in the Tharsis Region

Mars Reconnaissance Orbiter - Dark Rimless Pits in the Tharsis Region
Image credit: NASA/JPL-Caltech/University of Arizona

Uploader comment: Two dark, rimless pits are located to the northwest of Ascraeus Mons in the Tharsis volcanic region of Mars. These pits are approximately 180 meters (591 feet) and 310 meters (1,017 feet) in diameter.

   

 
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Waspie_Dwarf
March 3, 2012, 1:11 pm
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