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Star light, star bright: FSU facility duplicating conditions of supernovas
08-14-2007 · EurekAlert!How is matter created? What happens when stars die? Is the universe shrinking, or is it expanding? At Florida State University, a new facility known as RESOLUT is helping physicists conduct experiments that may help provide answers to just such questions.
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Keywords: star, light, bright, fsu, facility, duplicating, conditions, supernovas, condition, supernova
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- Largest, brightest supernova ever seen may be long-sought pair-instability supernova
05-07-2007 · EurekAlert!
UC Berkeley astronomers Nathan Smith and David Pooley report the most luminous supernova ever detected, the explosion of a super-massive star in a galaxy 250 million light years away. The scientists estimate the star was 150 times larger than our sun, and that it exploded via an entirely new mechanism never before observed. Unlike other massive supernovas, this so-called pair instability supernova left behind no black hole.
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- The Space Station as a blazing star
10-26-2006 · European Space Agency (ESA)
Visibility of the International Space Station (ISS) is currently particularly good in the evening sky. Until November, stargazers all over Europe can observe the ISS as a very bright, fast-moving point of light in the sky.
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- Supernova impostor goes supernova
04-04-2007 · EurekAlert!
In a galaxy far, far away, a massive star suffered a nasty double whammy. On Oct. 20, 2004, Japanese amateur astronomer Koichi Itagaki saw the star let loose an outburst so bright that it was initially mistaken for a supernova. The star survived, but for only two years. On Oct. 11, 2006, professional and amateur astronomers witnessed the star actually blowing itself to smithereens as Supernova 2006jc.
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- Shedding light on the precursor to a supernova
08-04-2007 · Science News Online
A supernova lights up its surroundings, revealing evidence of what made the star explode.
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- Twin star explosions fascinate astronomers
11-20-2006 · EurekAlert!
Scientists using NASA's Swift satellite stumbled upon a rare sight: Two supernovas side-by-side in one galaxy. Large galaxies typically play host to three supernovas per century. Galaxy NGC 1316 has had two supernovas in less than five months, and a total of four supernova in 26 years, as far back as the records go. This makes NGC 1316 the most prodigious known producer of supernovas.
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- A star's death comes to light
01-09-2007 · EurekAlert!
Using NASA's Chandra X-ray Observatory, scientists have created a stunning new image of one of the youngest supernova remnants in the galaxy. This new view of the debris of an exploded star helps astronomers solve a long-standing mystery, with implications for understanding how a star's life can end catastrophically and for gauging the expansion of the universe.
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- New view of doomed star
06-20-2007 · EurekAlert!
A new composite image of the Eta Carinae from NASA's Chandra X-ray Observatory and Hubble Space Telescope shows the remnants of a massive eruption from the star during the 1840s. Eta Carinae is a mysterious, extremely bright and unstable star located a mere stone's throw -- astronomically speaking -- from Earth at a distance of only about 7500 light years. The star is thought to be consuming its nuclear fuel at an incredible rate, while quickly drawing closer to its ultimate explosive demise.
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- How to make the brightest supernova ever: Explode, collapse, repeat
11-14-2007 · EurekAlert!
A supernova observed last year was so bright -- about 100 times as luminous as a typical supernova -- that it challenged the theoretical understanding of what causes supernovae. But astrophysicist Stan Woosley had an idea that he thought could account for it -- an extremely massive star that undergoes repeated explosions. When he worked out the detailed calculations for this model, the results matched the observations of the supernova known as SN 2006gy, the brightest ever recorded.
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- APL astronomer spies conditions 'just right' for building an Earth
10-03-2007 · EurekAlert!
An Earth-like planet is likely forming 424 light-years away in a star system called HD 113766, say astronomers using NASA's Spitzer Space Telescope.
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- Prototype for long wavelength array sees first light
03-29-2007 · EurekAlert!
Astronomers at the Naval Research Laboratory (NRL) have produced the first images of the sky from a prototype of the Long Wavelength Array (LWA), a revolutionary new radio telescope to be constructed in southwestern New Mexico. The images show emissions from the center of our galaxy, a supermassive black hole, and the remnant of a star that exploded in a supernova over 300 years ago.
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