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News About Stellar Chemistry
October 15, 2014
Leaky, Star-Forming Galaxies Help Understanding The Universe
Baltimore MD (SPX) Oct 15, 2014
By focusing on large, star-forming galaxies in the universe, researchers at Johns Hopkins University were able to measure its radiation leaks in an effort to better understand how the universe evolved as the first stars were formed. Sanchayeeta Borthakur, an assistant research scientist in the university's Department of Physics and Astronomy in the Krieger School of Arts and Sciences, reports in a paper published online Oct. 9, in the journal Science, that an indicator used for studying star-formi ... read more

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Satellite Services supplies on-board sub-systems for smallsats and microsats.
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Measurements on Cl-36 samples refute decay rate on distance between Earth and Sun
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A Warm Dark Matter Search Using XMASS
The XMASS collaboration, led by Yoichiro Suzuki at the Kavli IPMU, has reported its latest results on the search for warm dark matter. Their results rule out the possibility that super-weakly intera ... more
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Dark matter half what we thought
A new measurement of dark matter in the Milky Way has revealed there is half as much of the mysterious substance as previously thought. Australian astronomers used a method developed almost 100 year ... more
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Zeroing in on a source of gamma rays
Gamma rays are the highest-energy form of radioactive waves known in the universe. However, how they're made and where they come from have been a bit of a mystery. But now a team of researcher ... more
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NASA's Swift Mission Observes Mega Flares from a Mini Star
On April 23, NASA's Swift satellite detected the strongest, hottest, and longest-lasting sequence of stellar flares ever seen from a nearby red dwarf star. The initial blast from this record-setting ... more
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NASA's Swift satellite sees small star ejecting 'super flares'
Astronomers don't normally use canine clich├ęs, but if they did, they might employ one - it's not the size of the dog in the fight, it's the size of the fight in the dog - to describe a small but energetic red dwarf in a binary system known as DG Canum Venaticorum, or DG CVn. That's because red dwarfs like DG CVn serve a serious electromagnetic punch in a small package. ... more
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First dark matter results from underground China lab hosting PandaX-I
Scientists across China and the United States collaborating on the PandaX search for dark matter from an underground lab in southwestern China report results from the first stage of the experiment i ... more
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Simulations Reveal An Unusual Death for Ancient Stars
Certain primordial stars-those between 55,000 and 56,000 times the mass of our Sun, or solar masses-may have died unusually. In death, these objects-among the Universe's first-generation of stars-wo ... more
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Violent Origins of Disc Galaxies Probed by ALMA
For decades scientists have believed that galaxy mergers usually result in the formation of elliptical galaxies. Now, for the the first time, researchers using ALMA and a host of other radio telesco ... more
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Most metal-poor star hints at universe's first supernovae
A team of researchers, led by Miho N. Ishigaki, at the Kavli IPMU, The University of Tokyo, pointed out that the elemental abundance of the most iron-poor star can be explained by elements ejected f ... more
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Most stars are born in clusters, some leave 'home'
New modeling studies from Carnegie's Alan Boss demonstrate that most of the stars we see were formed when unstable clusters of newly formed protostars broke up. These protostars are born out of rota ... more
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Infant solar system shows signs of windy weather
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have observed what may be the first-ever signs of windy weather around a T Tauri star, an infant analog of our own Sun. This ... more
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Particle detector finds hints of dark matter in space
Researchers at MIT's Laboratory for Nuclear Science have released new measurements that promise to shed light on the origin of dark matter. The MIT group leads an international collaboration o ... more
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Mystery of rare 5-hour space explosion explained
Next week in St. Petersburg, Russia, scientists on an international team that includes Penn State University astronomers will present a paper that provides a simple explanation for mysterious ultra- ... more
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Neighboring Andromeda Galaxy to eat Milky Way in 5 billion years
All galaxies grow by pulling in cosmic debris, gas and dust, and are rather efficient at converting it into new stars. But as galaxies age and grow more massive over time, their ability to create their own stars wanes, and they are forced to add on mass by swallowing up other smaller galaxies. ... more
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Monster galaxies gain weight by eating smaller neighbours
Massive galaxies in the Universe have stopped making their own stars and are instead snacking on nearby galaxies, according to research by Australian scientists. Astronomers looked at more tha ... more
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Reinterpreting dark matter
Tom Broadhurst, an Ikerbasque researcher at the UPV/EHU's Department of Theoretical Physics, has participated alongside scientists of the National Taiwan University in a piece of research that explo ... more
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    Pulse of a Dead Star Powers Intense Gamma Rays
    Our Milky Way galaxy is littered with the still-sizzling remains of exploded stars. When the most massive stars explode as supernovas, they don't fade into the night, but sometimes glow ferociously ... more
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    Violent Origins of Disc Galaxies Probed by ALMA
    For decades scientists have believed that galaxy mergers usually result in the formation of elliptical galaxies. Now, for the the first time, researchers using ALMA and a host of other radio telesco ... more
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    Unprecedented X-ray View of Supernova Remains
    The destructive results of a powerful supernova explosion reveal themselves in a delicate tapestry of X-ray light, as seen in this image from NASA's Chandra X-Ray Observatory and the European Space ... more
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    Lurking bright blue star caught!
    A team led by Gaston Folatelli at the Kavli IPMU, the University of Tokyo, has found evidence of a hot binary companion star to a yellow supergiant star, which had become a bright supernova. The exi ... more
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    This star cluster is not what it seems
    The Milky Way galaxy is orbited by more than 150 globular star clusters, which are balls of hundreds of thousands of old stars dating back to the formation of the galaxy. One of these, along with se ... more
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    Hubble Finds Supernova Companion Star after Two Decades of Searching
    Using NASA's Hubble Space Telescope, astronomers have discovered a companion star to a rare type of supernova. The discovery confirms a long-held theory that the supernova, dubbed SN 1993J, occurred ... more
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    Interactive dark matter could explain Milky Way's missing satellite galaxies
    Scientists believe they have found a way to explain why there are not as many galaxies orbiting the Milky Way as expected. Computer simulations of the formation of our galaxy suggest that there shou ... more
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    Cosmic forecast: Dark clouds will give way to sunshine
    Lupus 4 is located about 400 light-years away from Earth, straddling the constellations of Lupus (The Wolf) and Norma (The Carpenter's Square). The cloud is one of several affiliated dark clouds fou ... more
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