News About Stellar Chemistry
December 06, 2016
UCLA astronomers watch star clusters spewing out dust
Los Angeles CA (SPX) Dec 02, 2016
Galaxies are often thought of as sparkling with stars, but they also contain gas and dust. Now, a team led by UCLA astronomers has used new data to show that stars are responsible for producing dust on galactic scales, a finding consistent with long-standing theory. Dust is important because it is a key component of rocky planets such as Earth. Jean Turner, a UCLA professor in the department of astronomy and physics, her graduate student S. Michelle Consiglio, and two other collaborators observed ... read more

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Cool Theory on Galaxy Formation
Giant galaxies may grow from cold gas that condenses as stars rather than forming in hot, violent mergers. The surprise finding was made with CSIRO and US radio telescopes by an international ... more
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Squeezed states of light can improve feedback cooling significantly
How does the tightrope walker manage to maintain her balance and avoid that fatal drop from the sky? She carefully senses the motion of her body and vibrations of the rope and accordingly compensate ... more
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'Thank the aliens': Thousands displaced for China's huge telescope
Humanity's best bet at detecting aliens is a giant silver Chinese dish the size of 30 football fields - one that simultaneously showcases Beijing's abilities to deploy cutting-edge technologies and ignore objectors' rights as it seeks global prominence. ... more
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Mystery of Ultra-Diffuse Faint Galaxies Solved
Over the last year, researchers have observed some very faint, diffuse galaxies. The galaxies are as faint as dwarf galaxies, but are distributed over an area just as large as the Milky Way. I ... more
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Shear brilliance: computing tackles the mystery of the dark universe
Scientists from The University of Manchester working on a revolutionary telescope project have harnessed the power of distributed computing from the UK's GridPP collaboration to tackle one of the Un ... more
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Squeezing light into new miniature devices
Do you think your computer is fast enough? Think again. The computers of the future could work almost at the speed of light! Nanophotonics, the study of light at the nanometer scale, could indeed br ... more
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New method developed for analyzing photonic crystal structure
A new technique developed by MIT researchers reveals the inner details of photonic crystals, synthetic materials whose exotic optical properties are the subject of widespread research. Photoni ... more
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IAU Formally Approves 227 Star Names
The creation of a specialised IAU Working Group, the Working Group on Star Names (WGSN), was approved by the IAU Executive Committee in May 2016 to formalise star names that have been used colloquia ... more
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Spiral-like patterns of star formation discovered in old galaxies
Using data from the SDSS1 and CALIFA2 surveys, a team3 of astronomers, led by Jean Michel Gomes and Polychronis Papaderos from the Instituto de Astrofisica e Ciencias do Espaco (IA4), in Portugal, d ... more
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New stars discovery shed new light on Galaxy's formation
An astronomer from LJMU's Astrophysics Research Institute has discovered a new family of stars in the core of the Milky Way Galaxy which provides new insights into the early stages of the Galaxy's f ... more
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Stellar Simulators
It's an intricate process through which massive stars lose their gas as they evolve. And a more complete understanding could be just calculations away, if only those calculations didn't take several ... more
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Large number of dwarf galaxies discovered in the early universe
A team of researchers, led by University of California, Riverside astronomers, found for the first time a large population of distant dwarf galaxies that could reveal important details about a produ ... more
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A Stellar Circle of Life
A snapshot of the stellar life cycle has been captured in a new portrait from NASA's Chandra X-ray Observatory and the Smithsonian's Submillimeter Array (SMA). A cloud that is giving birth to stars ... more
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Astronomers unveil 'heart' of Eta Carinae
An international team of astronomers has imaged the Eta Carinae star system in the greatest detail ever. Eta Carinae is a colossal binary system that consists of two massive stars orbiting each othe ... more
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Record-Breaking Faint Satellite Galaxy Discovered
An international team led by researchers from Tohoku University has found an extremely faint dwarf satellite galaxy of the Milky Way. The team's discovery is part of the ongoing Subaru Strategic Sur ... more
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X-ray pulsars fade as propeller effect sets in
An international team of astrophysicists including Russian scientists from the Space Research Institute of the Russian Academy of Sciences (RAS), MIPT, and Pulkovo Observatory of RAS has detected an ... more
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Bright radio bursts probe Universe's hidden matter
Fast radio bursts, or FRBs, are mysterious flashes of radio waves originating outside our Milky Way galaxy. A team of scientists, jointly led by Caltech postdoctoral scholar Vikram Ravi and Curtin U ... more
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Silicon nanoantennas turn light around
A team of physicists from ITMO University, MIPT, and The University of Texas at Austin have developed an unconventional nanoantenna that scatters light in a particular direction depending on the int ... more
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Flash of invisible light helps astronomers map the cosmic web
A brief but brilliant burst of radiation that travelled at least a billion light years through Space to reach an Australian radio telescope last year has given scientists new insight into the fabric ... more
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Distant star is roundest object ever observed in nature
Stars are not perfect spheres; several mechanisms can change their shape. One mechanism is rotation: the more quickly a star rotates, the more flat it becomes due to the centrifugal force. Sin ... more
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Supercluster of galaxies found hidden by the Milky Way
An international team of astronomers has discovered a previously unknown major concentration of galaxies in the constellation Vela, which they have dubbed the Vela supercluster. The gravitational at ... more
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Cosmic 'barcode' from distant galaxy confirms nature's constancy
Researchers from Swinburne University of Technology and the University of Cambridge have confirmed that electromagnetism in a distant galaxy has the same strength as here on Earth. They observed a q ... more
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Do extremely reddened quasars extinguish star formation
Galaxies formed and grew billions of years ago by accumulating gas from their surroundings, or colliding and merging with other young galaxies. These early stages of galaxy assembly are believed to ... more
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CTA Prototype Telescope Demonstrates Viability of Novel Design
In October 2016, the ASTRI telescope prototype, a novel dual-mirror Schwarzschild-Couder telescope design proposed for the Cherenkov Telescope Array (CTA), passed its biggest test yet by demonstrati ... more
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