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View Full Version : Weird Tracks on Mars Could be Caused by Moving Dry Ice



Fraser
2013-Jun-11, 08:00 PM
Extreme sports taking on place on Mars? How about snowboarding or actually sandboarding –down Martian dunes on a cushion of carbon dioxide? Sounds fun, and this might be happening already sans the humanoid snowboarders, however. Scientists have been wondering what caused unusual hillside grooves on Mars, called linear gullies. New research and test [...]

More... (http://www.universetoday.com/102848/weird-tracks-on-mars-could-be-caused-by-moving-dry-ice/)