Space diamonds reveal supernova origins
Space diamonds may now be an astrophysicist's best friend.
Feb 15, 2012 |
4.8 / 5 (9) |
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Organic compounds found in proto-planetary disks
(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary ...
Sifting through dust near Orion's Belt
the surface grime that hides the beauty of an object. But this new image of Messier 78 and surroundings, which reveals the submillimetre-wavelength radiation from dust grains in space, shows that dust can ...
May 02, 2012 |
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Frozen comet had a watery past, scientists find
For the first time, scientists have found convincing evidence for the presence of liquid water in a comet, shattering the current paradigm that comets never get warm enough to melt the ice that makes up the ...
Space & Earth / Space Exploration
Apr 05, 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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Astronomers solve the mystery of stellar 'superwind'
Astronomers at the University of Manchester believe they have found the answer to the mystery of a powerful "superwind" which causes the death of stars.
Apr 11, 2012 |
4.8 / 5 (6) |
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Nearby planet-forming disk holds water for thousands of oceans
(PhysOrg.com) -- For the first time, astronomers have detected around a burgeoning solar system a sprawling cloud of water vapor that's cold enough to form comets, which could eventually deliver oceans to ...
Oct 21, 2011 |
4.9 / 5 (13) |
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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 |
4.7 / 5 (3) |
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ALMA reveals workings of nearby planetary system
A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clues about how such systems form and evolve. The ...
Apr 12, 2012 |
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Measuring magnetic fields
(Phys.org) -- Polarized light is a familiar phenomenon, as people who prefer polarized sunglasses can testify. The electric field in a beam of light can vibrate either left-right or up-down, and the scattering ...
Apr 09, 2012 |
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Comet Wild2: First evidence of space weathering
(PhysOrg.com) -- The traditional picture of comets as cold, icy, unchanging bodies throughout their history is being reappraised in the light of analyses of dust grains from Comet Wild2. A team led by the ...
Space & Earth / Space Exploration
Mar 27, 2012 |
4.6 / 5 (10) |
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When stellar metallicity sparks planet formation
New research predicts the criteria needed for Earth-like planets to form around a star that have one-tenth the metallicity of our Sun. If researchers find small, rocky planets orbiting stars with lower metallicity, ...
Apr 10, 2012 |
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Rocky planets could have been born as gas giants
When NASA announced the discovery of over 1,200 new potential planets spotted by the Kepler Space Telescope, almost a quarter of them were thought to be Super-Earths. Now, new research suggests that these ...
Sep 16, 2011 |
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Subaru's sharp eye confirms signs of unseen planets in the dust ring of HR 4796 A
(PhysOrg.com) -- The SEEDS (Strategic Exploration of Exoplanets and Disks with Subaru Telescope/HiCIAO) project, a five-year international collaboration launched in 2009 and led by Motohide Tamura of NAOJ ...
Dec 30, 2011 |
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Does prebiotic material exist in space?
Spanish and French astrophysicists have identified a band in the infrared range that serves to track the presence of organic material rich in oxygen and nitrogen in the interstellar dust grains. Should any ...
Mar 26, 2009 |
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