Google+ Mars Travel: Mars Photo of the Day - Aug 13 2011

Mars Photo of the Day - Aug 13 2011

Today's Mars photo is of Olympus Mons, the tallest known mountain and volcano in the solar system. At an estimated height of anywhere between 21-29 km, Olympus Mons is about three times as tall as Mount Everest. The whole mountain covers an area that is approximately the size of Arizona. 
Olympus Mons photo originally taken by Viking 1 on June 22 1978

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