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Valles Marineris |
Also found in: Wikipedia, Hutchinson | 0.03 sec. |
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Valles Marineris [¦val·əs ‚mar·ə′ner·is] (astronomy) A system of canyons which extends for over 3000 miles (5000 kilometers) along the equatorial region of Mars; it is over 300 miles (500 kilometers) wide in places and drops to more than 4 miles (6 kilometers) below the surrounding surface. 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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Valles Marineris, a system of deep cayons on Mars, extends over a distance equal to the length of the entire United States. FAST FACT: Valles Marineris on Mars is the largest known canyon in the solar system--10 times deeper than the Grand Canyon and as long as the continental U. The canyons of Valles Marineris are the largest and deepest in the solar system, extending more than 2,500 miles with a depth of 3 to 6 miles. |
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