News tagged with gamma-ray burst

Black hole chokes on a swallowed star

A five-year analysis of an event captured by a tiny telescope at McDonald Observatory and followed up by telescopes on the ground and in space has led astronomers to believe they witnessed a giant black hole ...

Jan 26, 2015
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Novel vision of the death of massive stars

An international consortium, in which the University of the Basque Country (UPV/EHU), Ikerbasque and CSIC are participating, has published in a single article a compendium of data obtained after the simultaneous ...

Jan 08, 2015
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How gamma ray telescopes work

Yesterday I talked about the detection of gamma ray bursts, intense blasts of gamma rays that occasionally appear in distant galaxies. Gamma ray bursts were only detected when gamma ray satellites were put ...

Sep 22, 2014
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The frequency of high-energy gamma ray bursts

In the 1960s a series of satellites were built as part of Project Vela.  Project Vela was intended to detect violations of the 1963 ban on above ground testing of nuclear weapons.  The Vela satellites were ...

Sep 22, 2014
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Mystery of rare five-hour space explosion explained

Next week in St. Petersburg, Russia, scientists on an international team that includes Penn State University astronomers will present a paper that provides a simple explanation for mysterious ultra-long gamma-ray ...

Sep 17, 2014
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