News tagged with dust particles
Related topics: comet
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 ...
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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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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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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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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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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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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Japanese lab finds 'minute particles' in asteroid pod
Japan's space agency said Monday it has found "minute particles" of what it hopes is asteroid dust in the capsule of the space probe Hayabusa which returned to Earth last month.
Space & Earth / Space Exploration
Jul 05, 2010 |
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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, ...
Scientist uncovers relics of ancient cosmos
(PhysOrg.com) -- A University of Manchester scientist, working as part of an international team, has uncovered an unexpectedly rich trove of relicts from the ancient cosmos.
Space & Earth / Space Exploration
Dec 14, 2009 |
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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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Warped debris disks around stars are blowin' in the wind (w/ Video)
(PhysOrg.com) -- The dust-filled disks where new planets may be forming around other stars occasionally take on some difficult-to-understand shapes. Now, a team led by John Debes at NASA's Goddard Space Flight ...
Aug 28, 2009 |
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Rethinking Brownian motion with the 'Emperor's New Clothes'
In the classic fairy tale, "The Emperor's New Clothes," Hans Christian Andersen uses the eyes of a child to challenge conventional wisdom and help others to see more clearly. In similar fashion, researchers at the University ...
Jul 27, 2009 |
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Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow
(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...
Space & Earth / Earth Sciences
Apr 19, 2009 |
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Researchers: Molecular forklifts overcome obstacle to 'smart dust'
Algae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colors if exposed to biological weapons, food spoilage or signs of ...
Nanotechnology / Bio & Medicine
Jan 18, 2009 |
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