Titan’s dunes took tens of thousands of years to form

December 8, 2014 10:01 PM

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Titan’s dunes took tens of thousands of years to form

Massive dunes, some of them 100 meters tall and a kilometer or more wide at their base, cover about one-eighth of Titan’s surface.

And they take an exceptionally long time to form, according to a new study. Using radar data gleaned by the Cassini probe when it occasionally swooped past Saturn’s haze-shrouded moon, researchers mapped the orientation of about 10,000 crests of linear dunes in Titan’s four largest dune fields. (The...

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