(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
1
1
Researchers said Wednesday they had observed water vapour escaping high up in the thin atmosphere of Mars, offering tantalising new clues as to whether the Red Planet could have once hosted life.
Planetary Sciences
Feb 10, 2021
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2780
A mystery of the moon that imperiled astronauts and spacecraft on lunar missions has been solved by a Purdue University-led team of scientists as part of NASA's GRAIL mission.
Space Exploration
May 30, 2013
12
1
Lead researcher Dr. Milo Barham, from the Timescales of Mineral Systems Group within Curtin's School of Earth and Planetary Sciences, said the team devised a metric, which determines the "age distribution fingerprint" of ...
Earth Sciences
Mar 1, 2022
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1028
Which of Earth's features were essential for the origin and sustenance of life? And how do scientists identify those features on other worlds?
Astronomy
May 2, 2019
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907
Madagascar, the big island off the east coast of Africa with the lemurs and baobabs, is thought to be sitting in the middle of an old tectonic plate, and so, by the rules of plate tectonics, should be tectonically quiet: ...
Earth Sciences
Nov 28, 2016
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769
A team of researchers affiliated with several institutions in China and one in Austria has confirmed that a circular mountain ridge in China's Heilongjiang Province is a crater made by an asteroid strike. In their paper published ...
Curtin University-led research has found new evidence to suggest that the Earth's first continents were not formed by subduction in a modern-like plate tectonics environment as previously thought, and instead may have been ...
Earth Sciences
Jul 8, 2020
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396
In the first billion years of Earth's history, the planet was bombarded by primordial asteroids, while a faint sun provided much less heat. A Southwest Research Institute-led team posits that this tumultuous beginning may ...
Astronomy
Jun 23, 2016
17
45
Although it is relatively small, Enceladus—the sixth largest of Saturn's 83 moons—has been considered by astronomers to be one of the more compelling bodies in our solar system.
Planetary Sciences
Feb 23, 2023
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398
