News About Stellar Chemistry
September 01, 2016
Milky Way Had A Blowout Bash 6 Million Years Ago
Boston MA (SPX) Aug 31, 2016
The center of the Milky Way galaxy is currently a quiet place where a supermassive black hole slumbers, only occasionally slurping small sips of hydrogen gas. But it wasn't always this way. A new study shows that 6 million years ago, when the first human ancestors known as hominins walked the Earth, our galaxy's core blazed forth furiously. The evidence for this active phase came from a search for the galaxy's missing mass. Measurements show that the Milky Way galaxy weighs about 1-2 trillion time ... read more

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Scientists Discover A 'Dark' Milky Way
Using the world's most powerful telescopes, an international team of astronomers has found a massive galaxy that consists almost entirely of dark matter. The galaxy, Dragonfly 44, is located in the ... more
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Study: Only larger stars boast gas-rich disks
Recent observations made by Atacama Large Millimeter/submillimeter Array, ALMA, suggest larger stars host significant carbon monoxide gas reservoirs. ALMA astronomers were surprised by the finding. ... more
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More to rainbows than meets the eye
In-depth review charts the scientific understanding of rainbows and highlights the many practical applications of this fascinating interaction between light, liquid and gas. There's more to ra ... more
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WISE, Fermi missions reveal a surprising blazar connection
Astronomers studying distant galaxies powered by monster black holes have uncovered an unexpected link between two very different wavelengths of the light they emit, the mid-infrared and gamma rays. ... more
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Can 1 cosmic enigma help solve another
Astrophysicists from the Johns Hopkins University have proposed a clever new way of shedding light on the mystery of dark matter, believed to make up most of the universe. The irony is they want to ... more
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Massive galaxy made almost entirely of dark matter
Using the world's most powerful telescopes, an international team of astronomers has discovered a massive galaxy that consists almost entirely of dark matter. Using the W. M. Keck Observatory and th ... more
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Most distant galaxy clusters ever found
The international University of California, Riverside-led SpARCS collaboration has discovered four of the most distant clusters of galaxies ever found, as they appeared when the Universe was only fo ... more
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Cosmic neighbors inhibit star formation, even in the early-universe
The international University of California, Riverside-led SpARCS collaboration has discovered four of the most distant clusters of galaxies ever found, as they appeared when the universe was only 4 ... more
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Stellar Lab In Sagittarius
The small smattering of bright blue stars in the upper left of this vast new 615 megapixel ESO image is the perfect cosmic laboratory in which to study the life and death of stars. Known as Messier ... more
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Supernova ejected from the pages of history
A new look at the debris from an exploded star in our galaxy has astronomers re-examining when the supernova actually happened. Recent observations of the supernova remnant called G11.2-0.3 with NAS ... more
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Young Heavyweight Star Identified in the Milky Way
Astronomers have identified a young star, located almost 11,000 light-years away, which could help us understand how the most massive stars in the universe are formed. This young star, already more ... more
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Gaia's second anniversary marked by successes and challenges
Operating in the depths of space, far beyond the Moon's orbit, ESA's Gaia spacecraft has now completed two years of a planned five-year survey of the sky. Despite a series of unexpected technical ch ... more
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Observatory Measures Oxygen in Galaxy 12 Billion Years Ago
UCLA astronomers have used the W. M. Keck Observatory on Maunakea, Hawaii, to make the first accurate measurement of the abundance of oxygen in a distant galaxy. Oxygen, the third-most abundant chem ... more
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Neutrinos, ever bizarre, enjoy the spotlight
Buzzing through space, through our bodies, virtually everywhere, are billions upon billions of neutrinos. Behind only photons as the most abundant fundamental particle in the universe, neutrinos are ... more
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Discovery of a time-resolved supernova signal in Earth's microfossils
Physicists from the Technical University of Munich (TUM) have succeeded in detecting a time-resolved supernova signal in the Earth's microfossil record. As the group of Prof. Shawn Bishop could show ... more
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NASA's Fermi Mission Expands its Search for Dark Matter
Dark matter, the mysterious substance that constitutes most of the material universe, remains as elusive as ever. Although experiments on the ground and in space have yet to find a trace of dark mat ... more
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DDO 68: Among Galaxies, A Flea, But A Voracious One
Even a dwarf galaxy with very low mass is capable of accreting smaller nearby galaxies, according to an international team of astronomers led by Francesca Annibali of INAF, the Italian National Inst ... more
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IceCube search for the 'sterile neutrino' draws a blank
In an effort to fill in the blanks of the Standard Model of particle physics, science has been conducting a diligent search for a hypothesized particle known as the "sterile neutrino." Now, with the ... more
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The long hunted sterile neutrino cannot be traced
Some of the most abundant particles in the universe are the so-called ghost particles, neutrinos, which travel through virtually anything on their journey through the universe. Researchers have iden ... more
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A Giant Stellar Void in the Milky Way
A major revision is required in our understanding of our Milky Way Galaxy according to an international team led by Prof Noriyuki Matsunaga of the University of Tokyo. The Japanese, South African an ... more
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IceCube Search for 'Sterile Neutrino' Draws a Blank
In an effort to fill in the blanks of the Standard Model of particle physics, science has been conducting a diligent search for a hypothesized particle known as the "sterile neutrino." Now, with the ... more
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Scientists discover light could exist in a previously unknown form
New research suggests that it is possible to create a new form of light by binding light to a single electron, combining the properties of both. According to the scientists behind the study, from Im ... more
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Mapping the exotic matter inside neutron stars
The recent detection of gravitational waves emitted by two merging black holes by the LIGO and Virgo collaborations has opened up a new observational window into the cosmos. Future observation ... more
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Faint Hisses from Space Reveal Famous Star's Past
Astronomers have managed to peer into the past of a nearby star millions of years before its famous explosion, using a telescope in remote outback Australia at a site free from FM radio interference ... more
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