European Association for Astronomy Education

Jun 13

Marks on Martian Dunes May Reveal Tracks of Dry Ice Sleds

category: Mars Comments Off

Source: ESA

Image credit: NASA/JPL-Caltech/Univ. of Arizona.

New research suggests that some of the famous gullies on Mars are caused by slabs of dry ice gliding down sand dunes on cushions of gas similar to miniature hovercraft.

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Marks on Martian Dunes May Reveal Tracks of Dry Ice Sleds

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