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New Scientist

Strange sand dunes on Titan could be made by cosmic rays hitting ice

16 Oct 2019, 19:00 UTC
Strange sand dunes on Titan could be made by cosmic rays hitting ice NASA/ESA/IPGP/Labex UnivEarthS/University Paris Diderot

Titan is the only other place in the solar system with liquid oceans on its surface, but it also has huge swathes of desert covered in sand dunes. The material that makes up these dunes is commonly assumed to have fallen from the sky, but a new study suggests it may have been made on the ground instead.

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