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Thus, the shape and metals of W49B show the explosion has the jets we associate with gamma-ray bursts.
FORBES: Scientists May Have Found The Galaxy's Youngest Black Hole
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Too bright, it appears, for any of the existing theories of gamma-ray bursts.
ECONOMIST: An illuminating burst
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Since its launch in 2004, Swift has detected over 700 gamma-ray bursts.
BBC: NASA's Swift satellite observes massive supernova stars
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Dr Andrew Levan from the University of Warwick says these longer gamma-ray bursts are actually caused by really, really big stars going supernova.
BBC: NASA's Swift satellite observes massive supernova stars
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Had it been situated in a much more distant galaxy -- as many gamma-ray bursts are -- its signal would have been relatively feeble.
CNN: Why gamma-ray burst shocked scientists
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But they are particularly associated with events called gamma-ray bursts, which are the biggest explosions yet detected in the universe brighter than a billion suns.
ECONOMIST: A new gamma-ray telescope has just been launched
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Early results from Schaefer's study of the movements of gamma-ray bursts suggest that dark energy is different far out in space, and therefore way back in time.
NPR: New Clue to Universe's Darkest Mystery
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And if a few more such events can be found, that should settle once and for all whether gamma-ray bursts are merely little local upheavals or the biggest noises in creation.
ECONOMIST: Astronomy
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He did this by studying objects called gamma-ray bursts.
NPR: New Clue to Universe's Darkest Mystery
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Gamma-ray bursts occur randomly several times a day.
CNN: Gamma ray finding may open new window on universe
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Interestingly, an April 18 paper in the journal Nature reported that upper limits for neutrinos measured from IceCube are low enough that gamma-ray bursts are unlikely to be the sole source of ultra-high energy cosmic rays.
CNN: Why gamma-ray burst shocked scientists
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Proposed sources of such high heating in the early solar nebula have included everything from colliding asteroids, gamma ray bursts, solar x-ray flares, even lightning in the proto-planetary disk itself.
FORBES: Planets Made Easy: The Cosmic Glue That Binds Us All