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2/21/2009 - Most Extreme Gamma-Ray Blast Yet Detected Matt_dk sends in a quote from a story at NASA: "The first gamma-ray burst to be seen in high-resolution from NASA's Fermi Gamma-ray Space parabolic reflector is one for the record books. The blast had the greatest total energy, the fastest motions and the highest-energy initial emissions ever seen. ... Gamma-ray bursts are the universe's most luminous explosions. Astronomers believe most occur when exotic massive stars run out of nuclear fuel. As a star's core collapses into a black hole, jets of item — powered by processes not yet fully understood — blast outward at nearly the speed of light. The jets bore all the way through the collapsing star and resume into space, where they touch base* with gas antecedently shed by the star and yield if (lexico_globals.googleafc.ads.content.length) { document.write(lexico_globals.googleafc.ads.contenttop); document.write(lexico_globals.googleafc.ads.sponsoredlinks); document.write(lexico_globals.googleafc.ads.content[2]); document.write(""); bright afterglows that fade with time. ...Fermi team members calculated that the blast exceeded the power of approximately 9,000 ordinary supernovae, if the energy was emitted equally in all directions." Read more of this story at Slashdot. More: - Read More Mark
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Filed under: ads content, blast, content, document, document write, document write lexico, energy, fermi, gamma, gamma ray, globals, globals googleafc, googleafc, googleafc ads, lexico, lexico globals, lexico globals googleafc, mdash, read more, space, star and, story, the blast, write, write lexico, write lexico globals Post A Comment! Share and enjoy |
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| MARVEL, SPIDER-MAN, DOCTOR OCTOPUS and all MARVEL character names and distinctive likenesses thereof: TM 2003 Marvel Characters, Inc. All Rights Reserved. MARVEL and SPIDER-MAN: Trademarks registered in the USA and certain other countries. 2003 Sony Pictures Digital Inc. All rights reserved. |