News tagged with sand dunes
Scientists measure Martian sand movement: Dune migration rates appear to be similar to those on Earth
Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot ...
Space & Earth / Space Exploration
May 09, 2012 |
5 / 5 (4) |
1
|
Caltech Rover ready for rock-yard competition in Houston
(Phys.org) -- Later this week, a four-wheeled robot designed and built by Caltech undergraduate students will maneuver, apparently under its own guidance, through various challenges at the NASA Johnson Space ...
Space & Earth / Space Exploration
May 29, 2012 |
not rated yet |
0
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) |
7
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) |
7
|
Putting an airplane on a distant moon
(PhysOrg.com) -- In addition to its rivers, oceans, mountains, sand dunes and winds, Saturn’s moon Titan may someday share another similarity with Earth: airplanes.
Space & Earth / Space Exploration
Jan 25, 2012 |
4.9 / 5 (15) |
24
|
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) |
25
|
Geologists discover new class of landform -- on Mars
(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 & Earth / Space Exploration
Mar 22, 2012 |
4.3 / 5 (12) |
47
|
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) |
9
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) |
0
With 'Google Earth' for Mars, explore the red planet from home
(PhysOrg.com) -- A new software tool developed by the HiRISE team in the UA's Lunar and Planetary Lab allows members of the public to download high-resolution images of the Martian landscape almost instantaneously ...
Space & Earth / Space Exploration
Dec 08, 2011 |
5 / 5 (5) |
29
|
View from orbit of a huge white sands dust storm
It’s clear from this image of why a region in New Mexico, USA is called ‘White Sands.’ The dust plumes in this photograph taken by an astronaut on board the International Space Station show ...
Space & Earth / Earth Sciences
May 01, 2012 |
not rated yet |
0
How nature's patterns form
When people on airplanes ask Alan Newell what he works on, he tells them "flower arrangements."
Feb 18, 2011 |
4.8 / 5 (8) |
5
|
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) |
0
|
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) |
2
Discovery of Indian artifacts complicates Genesis solar project
The Feb. 27 letter from the chairman of the Colorado River Indian Tribes was pleading and tough. It asked President Barack Obama to slow the federal government's "frantic pursuit" of massive solar energy projects in the Mojave ...
Technology / Energy & Green Tech
Apr 26, 2012 |
4.5 / 5 (2) |
5
