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Article results for “gamma ray bursts

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Record-Breaking Star Explosion Is Most Powerful Ever Seen

Swift's detection of this burst was delayed. The satellite was moving between cosmic targets at the time of the eruption, but the spacecraft captured the explosion less than a minute after it began. Swift also aided astronomers in placing the gamma-ray ...http://www.nbcnews.com/id/51794413/ns/technology_and_science-space/t/record-brea...

Russian Space Junk Almost Destroys NASA Telescope in Orbit

The Fermi telescope — launched in 2008 — searches the sky for signs of dark matter, black holes and spinning pulsars by seeking out sources of gamma-ray bursts, the brightest flashes of light in the universe since the Big Bang. Editor's Note ...http://www.nbcnews.com/id/51735386/ns/technology_and_science-space/t/russian-spa...

Speed of Light May Not Be Constant, Physicists Say

Leuchs and Sanchez-Soto say that there should be, by their calculations, on the order of 100 "species" of particle that have charges. The current law governing particle physics, the Standard Model, identifies nine: the electron, muon, tauon, the six kinds ...http://www.nbcnews.com/id/51692696/ns/technology_and_science-science/t/speed-lig...

Dark Lightning Linked to its Luminous Twin

The electric field whirled electrons to nearly the speed of light. When the electrons smashed into air molecules, they triggered high-energy gamma-ray bursts — the dark lightning. Visible lightning also results from charged particles in clouds.http://www.nbcnews.com/id/51660110/ns/technology_and_science-science/t/dark-ligh...

Web results for “gamma ray bursts

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Gamma-ray burst - Wikipedia, the free encyclopedia

Updated May. 21, 2013

Gamma-ray bursts (GRBs) are flashes of gamma rays associated with extremely energetic explosions that have been observed in distant galaxies. They are the brightest ...http://en.wikipedia.org/wiki/Gamma-ray_burst

Gamma-ray bursts: Introduction to a Mystery

Updated May. 21, 2013

GRB history. Burst Behind the Sun Reveals Magnetic Charm of Distant Explosion. NASA Detects One of Closest and Brightest Gamma Ray Bursts. Race to Gamma ...http://imagine.gsfc.nasa.gov/docs/science/know_l1/bursts.html

NASA - Gamma Ray Bursts

Updated May. 19, 2013

Dying Supergiant Stars Implicated in Hours-long Gamma-Ray Bursts. Three unusually long-lasting stellar explosions discovered by NASA's Swift satellite represent a new ...http://www.nasa.gov/mission_pages/swift/bursts/index.html

Gamma-Ray Burst Physics - Penn State University Department of ...

Updated May. 13, 2013

Gamma-Ray Burst Physics . Gamma-ray bursts (GRB) are sudden, intense flashes of gamma-rays which, for a few blinding seconds, light up in an otherwise fairly dark ...http://www.astro.psu.edu/users/nnp/grbphys.html