Olympus Mons, imaged here by NASA Mars Odyssey spacecraft, stands 26 km above the surrounding plains, which is three times taller than Mt. Everest, and is the tallest volcano in the solar system.
Olympus Mons, imaged here by NASA Mars Odyssey spacecraft, stands 26 km above the surrounding plains, which is three times taller than Mt. Everest, and is the tallest volcano in the solar system.