Marks on Martian dunes may be tracks of dry-ice sleds
(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 hovercraft, plowing furrows as they go.
(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 hovercraft, plowing furrows as they go.
Space Exploration
Jun 11, 2013
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Humans see sand as an infinite resource. We are astounded to discover there are more stars in the universe than grains of sand on our beaches.
Earth Sciences
Jun 11, 2020
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Ground-penetrating radar from China's Martian rover Zhurong reveals shallow impact craters and other geologic structures in the top five meters of the Red Planet's surface. The images of the Martian subsurface are presented ...
Planetary Sciences
Feb 14, 2023
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On Aug. 5, NASA's Curiosity rover will notch its 11th year on Mars by doing what it does best: studying the Red Planet's surface. The intrepid bot recently investigated a location nicknamed "Jau" that is pockmarked with dozens ...
Space Exploration
Aug 3, 2023
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A new study by UNSW scientists has shown how the presence – and absence – of dingoes affects the desert landscape.
Ecology
Jul 4, 2018
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US President Barack Obama blocked the construction of a controversial Keystone XL oil pipeline between Canada and the United States Friday following years of bitter and politically charged debate.
Environment
Nov 6, 2015
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Some of the dark sandstone in an area being explored by NASA's Curiosity Mars rover shows texture and inclined bedding structures characteristic of deposits that formed as sand dunes, then were cemented into rock.
Space Exploration
Sep 12, 2015
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Can you see NASA's newest rover in this picture from Jezero Crater?
Space Exploration
Aug 11, 2021
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(PhysOrg.com) -- An odd, previously unseen landform could provide a window into the geological history of Mars, according to new research by University of Washington geologists.
Space Exploration
Mar 22, 2012
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Australia is renowned for once being home to a group of gigantic birds known as the mihirungs. These birds are distantly related to waterfowl and included the impressive Dromornis stirtoni, the largest bird ever known on ...
Archaeology
Jan 14, 2016
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