News tagged with gamma radiation
Heart of a galaxy emits gamma rays
(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the ...
Oct 02, 2009 |
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Very High Energy Gamma Rays
(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...
Sep 25, 2009 |
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High-energy Electrons Could Come from Pulsars -- or Dark Matter
(PhysOrg.com) -- Something in our galactic neighborhood seems to be producing large numbers of high-energy electrons, according to new data gathered by the Fermi Gamma-ray Space Telescope. The electrons could ...
May 05, 2009 |
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The MAGIC-II Telescope is ready to team up
(PhysOrg.com) -- Together with the MAGIC-I telescope, MAGIC-2 allows stereoscopic observations using these two largest gamma-ray telescopes. Astronomers can explore sources of very-high energy gamma rays. ...
Apr 15, 2009 |
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Dissecting a stellar explosion
(PhysOrg.com) -- Integral has captured one of the brightest gamma-ray bursts ever seen. A meticulous analysis of the data has allowed astronomers to investigate the initial phases of this giant stellar explosion, ...
Apr 03, 2009 |
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Team develops new metamaterial device
An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...
Feb 24, 2009 |
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