News tagged with sand dunes
Winds of change strike Mars, too
Mysterious dark sand dunes around Mars' northern polar cap are shifting with the seasons, as carbon dioxide gas changes form and sparks landscape-altering avalanches, said a study published Thursday.
Space & Earth / Space Exploration
Feb 03, 2011 |
4.4 / 5 (14) |
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In deserts, which dunes are the most stable?
By modeling a desert where the wind blows in two directions, French researchers from CNRS and Universite Paris Dideror have succeeded in observing and highlighting, for the very first time, the formation process ...
Space & Earth / Earth Sciences
May 28, 2010 |
5 / 5 (1) |
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Cassini Doubleheader: Flying By Titan and Dione
(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 ...
Space & Earth / Space Exploration
Apr 05, 2010 |
4.8 / 5 (4) |
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Ice sheet melt identified as trigger of Big Freeze
The main cause of a rapid global cooling period, known as the Big Freeze or Younger Dryas - which occurred nearly 13,000 years ago - has been identified thanks to the help of an academic at the University of Sheffield.
Space & Earth / Earth Sciences
Mar 31, 2010 |
4.4 / 5 (28) |
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New spider species discovered
A new and previously unknown species of spider has been discovered in the dune of the Sands of Samar in the southern Arava region by a team of scientists from the Department of Biology in the University of ...
Jan 11, 2010 |
4.6 / 5 (9) |
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Scientists Investigate Cause of 'Singing Dunes'
(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...
Dec 15, 2009 |
4.5 / 5 (22) |
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Sand dunes reveal unexpected dryness during heavy monsoon
(PhysOrg.com) -- The windswept deserts of northern China might seem an odd destination for studying the heavy monsoon rains that routinely drench the more tropical regions of Southeast Asia.
Space & Earth / Earth Sciences
Oct 06, 2009 |
4.8 / 5 (6) |
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MSU Archaeology Team's latest find: 16,000-year-old sand dune
(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 ...
Other Sciences / Archaeology & Fossils
Sep 21, 2009 |
4.6 / 5 (5) |
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Mice living in sandy hills quickly evolved lighter coloration
In a vivid illustration of natural selection at work, scientists at Harvard University have found that deer mice living in Nebraska's Sand Hills quickly evolved lighter coloration after glaciers deposited ...
Aug 27, 2009 |
4.8 / 5 (6) |
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Ancient mammal tracks found at national monument
(AP) -- Hundreds of tiny footprints left by mammals some 190 million years ago have been found on a canyon wall in a remote part of Dinosaur National Monument, park officials said Thursday.
Other Sciences / Archaeology & Fossils
Jul 24, 2009 |
5 / 5 (5) |
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Mars Rover Update
In January 2004, NASA landed two identical robotic rovers named Spirit and Opportunity on the surface of Mars. The twins were primed for a brief 3-month mission to tell us a story of water and possibly life ...
Space & Earth / Space Exploration
Mar 26, 2009 |
4.3 / 5 (7) |
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Cassini Maps Global Pattern of Titan's Dunes
(PhysOrg.com) -- Titan's vast dune fields, which may act like weather vanes to determine general wind direction on Saturn's biggest moon, have been mapped by scientists who compiled four years of radar data ...
Space & Earth / Space Exploration
Feb 27, 2009 |
4.9 / 5 (8) |
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Martian rock arrangement not alien handiwork
At first, figuring out how pebble-sized rocks organize themselves in evenly-spaced patterns in sand seemed simple and even intuitive. But once Andrew Leier, an assistant geoscience professor at the U of C, started observing, ...
Space & Earth / Space Exploration
Jan 07, 2009 |
4.4 / 5 (8) |
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