A team of researchers from several institutions in Germany and Israel has used theoretical analysis to explain the conditions under which mega-ripples form in areas where sand dunes rise. In their paper published in the journal ...
(PhysOrg.com) -- In a special double flyby early next week, NASA's Cassini spacecraft will visit Saturn's moons Titan and Dione within a period of about a day and a half, with no maneuvers in between. A fortuitous cosmic ...
Space Exploration
Apr 5, 2010
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At first glance this captivating scene peering through wispy clouds and down onto a dune field is reminiscent of a satellite view of one of Earth's deserts, but this is in fact a beautiful landscape on Mars.
Space Exploration
Mar 15, 2021
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Although sand dunes often conjure images of great deserts, they also occur along coastlines worldwide and can be an important buffer for communities threatened by sea level rise, storms and coastal erosion.
On the beach at Monster, bulldozers painstakingly turn sand dredged from the bottom of the North Sea bed into dunes in an ambitious effort to safeguard the Netherlands from flooding.
Environment
Nov 20, 2009
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(PhysOrg.com) -- A team of MSU researchers and archaeology students has confirmed the existence of an undisturbed, prehistoric sand dune beneath a grove of pine trees between Demonstration Hall and Munn Ice Arena.
Archaeology
Sep 21, 2009
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The discovery of ancient kumara pits just north of Dunedin dating back to the 15th century has shone a light on how scientific evidence can complement mātauraka Māori around how and where the taonga were stored hundreds ...
Archaeology
Apr 27, 2021
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There is a reason that NASA's Opportunity rover explored Mars's Meridiani Planum region for 14 years: The locale could hold crucial hints about the Red Planet's early geology and environment.
Planetary Sciences
May 4, 2023
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607
On Mars, wind rules. Wind has been shaping the Red Planet's landscapes for billions of years and continues to do so today. Studies using both a NASA orbiter and a rover reveal its effects on scales grand to tiny on the strangely ...
Space Exploration
Feb 28, 2017
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The discovery of Martian dune fields largely preserved in the rock record for up to a billion years offers new insights on past climatic conditions on Mars.
Astronomy
Oct 5, 2020
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