Mystery of Titan's Dunes: Violent Methane Storms Might Explain Dune Direction on Saturn's Moon, New Study Says

April 14, 2015 7:38 AM

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With its thick, hazy atmosphere and surface rivers, mountains, lakes and dunes, Titan, Saturn's largest moon, is one of the most Earth-like places in the solar system. As the Cassini-Huygens spacecraft examines Titan over many years, its discoveries bring new mysteries.

Here's the problem: Climate simulations indicate that Titan's near-surface winds - like Earth's trade winds - blow toward the west, according to a press release. So why do the surface dunes, reaching a hundred yards high and many miles long, point to the east?

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