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Winters leave marks on Mars' sand dunes - UPI.com
www.upi.com
27 Oct — ... 'sand furrows' as they were elongated shallow, networked features that formed and disappeared seasonally on Martian dunes," Bourke said. › Science_News ›
Marks on Martian dunes may be tracks of dry-ice sleds
phys.org
(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature
Image: Martian sand dunes in spring
phys.org
Marks on Martian dunes may be tracks of dry-ice sleds June 11, (Phys.org) —NASA
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