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Olympus Mons |
Also found in: Wikipedia, Hutchinson | 0.01 sec. |
Olympus MonsLarge volcano on Mars, the largest known volcano in the solar system. It consists of a central structure that ascends about 13 mi (21 km) above Mars's mean radius and is 335 mi (540 km) wide at the base; it is surrounded by an outward-facing cliff rising as much 6 mi (10 km) above the surrounding area. At the summit is a crater 53 mi (85 km) in diameter. For comparison, Earth's largest volcano, Mauna Loa, is 75 mi (120 km) wide at the base and rises 5.6 mi (9 km) above the ocean floor. Olympus Mons [ə′lim·pəs ′mänz] (astronomy) The largest volcano on Mars; it is approximately 360 miles (600 kilometers) across at its base and stands approximately 16 miles (26 kilometers) above the surrounding terrain. Also known as Nix Olympica. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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