News About Stellar Chemistry
August 18, 2016
Observatory Measures Oxygen in Galaxy 12 Billion Years Ago
Honolulu HI (SPX) Aug 18, 2016
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 chemical element in the universe, is created inside stars and released into interstellar gas when stars die. Quantifying the amount of oxygen is key to understanding how matter cycles in and out of galaxies. This research is published online in the Astrophysical Journal Letters. "This is by far the most dis ... read 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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White dwarf lashes red dwarf with mystery ray
Astronomers using the NASA/ESA Hubble Space Telescope, along with other telescopes on the ground and in space, have discovered a new type of exotic binary star: in the system AR Scorpii a rapidly sp ... more
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Jupiter's great red spot heats planet's upper atmosphere
Researchers from Boston University's (BU) Center for Space Physics report in Nature that Jupiter's Great Red Spot may provide the mysterious source of energy required to heat the planet's upper atmo ... more
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Loneliest Young Star Seen by Spitzer and WISE
Alone on the cosmic road, far from any known celestial object, a young, independent star is going through a tremendous growth spurt. The unusual object, called CX330, was first detected as a source ... more
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New detector at South Pole shows early success at neutrino hunting
In the second it takes to read these words, 65 billion neutrinos will shoot through every square centimeter of your body. Luckily, these infinitesimal particles don't do any harm - they pass through ... more
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Astronomers discover dizzying spin of the Milky Way galaxy's 'halo'
Astronomers at the University of Michigan's College of Literature, Science, and the Arts (LSA) discovered for the first time that the hot gas in the halo of the Milky Way galaxy is spinning in the s ... more
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Chandra Finds Evidence for Violent Stellar Merger
Gamma-ray bursts, or GRBs, are some of the most violent and energetic events in the universe. Although these events are the most luminous explosions in the universe, a new study using NASA's Chandra ... more
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Stellar outburst brings water snowline into view
A violent outburst by the young star V883 Orionis has given astronomers their first view of a water "snowline" in a protoplanetary disk - the transition point around the star where the temperature a ... more
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'Frankenstein' Galaxy Surprises Astronomers
About 250 million light-years away, there's a neighborhood of our universe that astronomers had considered quiet and unremarkable. But now, scientists have uncovered an enormous, bizarre galaxy poss ... more
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Blue Is an Indicator of First Stars' Supernova Explosions
For 100 million years after the big bang, the universe was dark and filled with hydrogen and helium. Then, the first stars appeared, and heavier elements (referred to as "metals," meaning anything h ... more
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A new key to understanding molecular evolution in space
Scientists at Hokkaido University have revealed temperature-dependent energy-state conversion of molecular hydrogen on ice surfaces, suggesting the need for a reconsideration of molecular evolution ... more
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A 'matryoshka' in the interstellar medium
As if it were one of the known Russian dolls, a group of astronomers, led by researchers at the Instituto de Astrofisica de Canarias, (IAC) has found the first known case of three supernova remnants ... more
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Small Elliptical Galaxy Actually a Giant Disk
Astronomers have believed since the 1960s that a galaxy dubbed UGC 1382 was a relatively boring, small elliptical galaxy. Ellipticals are the most common type of galaxy and lack the spiral structure ... more
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World's most sensitive dark matter detector completes search
The Large Underground Xenon (LUX) dark matter experiment, which operates beneath a mile of rock at the Sanford Underground Research Facility in the Black Hills of South Dakota, has completed its sil ... more
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Dark Matter Particle Remains Elusive
The Large Underground Xenon (LUX) dark matter experiment has yielded no trace of a dark matter particle after completing its final 20-month long search of the universe, according to LUX collaboratio ... more
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Human eyes can detect the smallest units of light
New research suggest the human eye is remarkably sensitive to light. In a recent study, participants were able to detect the presence of a single photon inside a pitch black room. ... more
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X marks the spot at the center of the Milky Way galaxy
Two astronomers - with the help of Twitter - have uncovered the strongest evidence yet that an enormous X-shaped structure made of stars lies within the central bulge of the Milky Way Galaxy. ... more
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