News tagged with dust particles
Related topics: comet
Desert dust intensifies summer rainfall in U.S. southwest
(Phys.org) -- Dust is more than something to be brushed off the furniture. Scientists at Pacific Northwest National Laboratory found that dust kicked up from the desert floor acts like a heat pump in the atmosphere, ...
Space & Earth / Earth Sciences
May 21, 2012 |
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Samples returned from asteroid Itokawa reveal history of violent impacts
(PhysOrg.com) -- In June of 2010, Japanese researchers launched a probe called Hayabusa into space on a mission to study the asteroid Itokawa (25143). It managed to collect dust specimens from the asteroids ...
Blocked holes can enhance rather than stop light going through
Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing ...
Nov 22, 2011 |
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Houston lawyer on quest to find missing moon rocks
(AP) -- The dark suit and tie Joe Gutheinz wore set him apart from other customers inside a Texas eatery where the usual attire is jeans and cowboy hats.
Space & Earth / Space Exploration
May 13, 2012 |
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Insoluble dust particles can form cloud droplets affecting global and regional climates
New information on the role of insoluble dust particles in forming cloud droplets could improve the accuracy of regional climate models, especially in areas of the world that have significant amounts of mineral ...
Space & Earth / Earth Sciences
Oct 13, 2011 |
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In the heart of Cygnus, NASA's Fermi reveals a cosmic-ray cocoon
(PhysOrg.com) -- The constellation Cygnus, now visible in the western sky as twilight deepens after sunset, hosts one of our galaxy's richest-known stellar construction zones. Astronomers viewing the region ...
Nov 28, 2011 |
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Oxygen isotope analysis tells of the wandering life of a dust grain 4.5 billion years ago
Scientists have performed a micro-probe analysis of the core and outer layers of a pea-sized piece of a meteorite some 4.57 billion years old to reconstruct the history of its formation, providing the first ...
Mar 03, 2011 |
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Is the Earth a cosmic feather-duster?
Scientists at the University of Leeds are looking to discover how dust particles in the solar system interact with the Earth's atmosphere.
Space & Earth / Earth Sciences
May 18, 2012 |
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Meteorite holds clues to organic chemistry of the early Earth: study
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials ...
Space & Earth / Space Exploration
Jun 09, 2011 |
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Earth is getting dustier, model suggests
(PhysOrg.com) -- If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills. The amount of dust in the Earth's atmosphere has doubled over the last century, according ...
Space & Earth / Earth Sciences
Jan 05, 2011 |
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Largest Ring Around Saturn Discovered
(PhysOrg.com) -- NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings.
Oct 07, 2009 |
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Stardust spacecraft may have found cosmic dust
(PhysOrg.com) -- The first specks of interstellar dust may have been found by NASA's Stardust spacecraft during its seven-year-long voyage. Interstellar dust is believed to form from gas ejected from stars, ...
China's pollution related to E-cars may be more harmful than gasoline cars, researchers find
Electric cars have been heralded as environmentally friendly, but findings from University of Tennessee, Knoxville, researchers show that electric cars in China have an overall impact on pollution that could be more harmful ...
Feb 13, 2012 |
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Reflected glory
(PhysOrg.com) -- The nebula Messier 78 takes centre stage in this image taken with the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile, while the stars powering the ...
Feb 16, 2011 |
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The earliest stages of planet formation
(PhysOrg.com) -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in ...
Mar 26, 2012 |
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