Wednesday, August 7, 2013

Gamma Ray Burst Illuminates Galactic Chemistry In The Early Universe

http://www.redorbit.com/news/space/1112917496/life-and-death-in-the-earliest-phases-of-cosmic-time-080713/

August 7, 2013 - RedOrbit.com
A star exploded more than 12 billion years ago, ripping itself apart and blasting debris outward in twin jets at nearly the speed of light. The star shone so brightly at its death that it outshone its entire galaxy by a million times. This flash of light traveled across space for 12.7 billion years to a planet that hadn’t even existed at the time of the explosion – our Earth. Astronomers have analyzed this light to learn about a galaxy that was otherwise too small, faint and far away for even the Hubble Space Telescope to see.
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