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- The largest of the volcanoes in the Tharsis Montes region, as well as all known volcanoes in the solar system, is Olympus Mons. Olympus Mons is a shield volcano 624 km (374 mi) in diameter (approximately the same size as the state of Arizona), 25 km (16 mi) high, and is rimmed by a 6 km (4 mi) high scarp. A caldera 80 km (50 mi) wide is located at the summit of Olympus Mons. To compare, the largest volcano on Earth is Mauna Loa. Mauna Loa is a shield volcano 10 km (6.3 mi) high and 120 km (75 mi) across. The volume of Olympus Mons is about 100 times larger than that of Mauna Loa. In fact, the entire chain of Hawaiian islands (from Kauai to Hawaii) would fit inside Olympus Mons!
sphericalvoxel · 4451 days ago · link ·
Like probably everyone else here, everything I know about Mars comes from the Kim Stanley Robinson books. So let's just hope we live to see John Boone's party in the caldera.
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Everything I know about space I learned from The Pixies.
user-inactivated · 4451 days ago · link ·
*clears throat* Basically we both know equal amounts of nothing, sounds like.