Blocks of frozen carbon dioxide sliding down Martian dunes may have carved the planet’s strange gullies, mimicking the work of living creatures.
Morning Overview on MSN
Mars’ strange gullies may have an explosive origin
Mysterious gullies on the surface of Mars, long puzzling scientists, appear to have been carved by burrowing blocks of COâ‚‚ ...
The tests also revealed that the ditches only develop on dunes with very fine, evenly sized sand grains. Coarser or more jagged material prevents the burrowing motion, which could explain why the ...
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