Solar Wx Blog
martes, 11 de junio de 2013
Marks on Martian Dunes May Reveal Tracks of Dry Ice Sleds
Marks on Martian Dunes May Reveal Tracks of Dry Ice Sleds
06/11/2013 12:00 AM EDT
NASA research indicates hunks of frozen carbon dioxide -- dry ice -- may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.
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