Wednesday, February 23, 2011

Cirrous Clouds On Titan

Scientiists have long been intrigued by the atmosphere of Saturn's huge moon, Titan, because they think it bears a resemblance to the atmosphere of early Earth. The hydrocarbons and organics in Titan's atmosphere are thought to be some of the precursors of life on Earth. Now, astronomers have also found cirrous clouds on Titan.

They are made of exotic ices in the incredibly cold air of Titan, not the simple water vapor of their Earthly counterparts, but they are thin, wispy, and bright white in the smoggy, active, dirty atmosphere. Another touch of home.

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