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United States Naval Research Laboratory

This image provided by NASA's Goddard Space Flight Center shows an artists rendering on how a gamma ray burst occurs with a massive star collapsing and creating a black hole and beaming out focused and deadly light and radiation bursts. Astronomers and space telescopes in April 2013 saw the biggest and brightest cosmic explosion ever witnessed, a large gamma ray burst. (AP Photo/NASA Goddard Space Flight Center)

‘Monster’ cosmic blast zipped harmlessly by Earth

WASHINGTON (AP) — Astronomers call it the monster. It was the biggest and brightest cosmic explosion ever witnessed. Had it been closer, Earth would have been toast. Orbiting telescopes got the fireworks show of a […]

11/21/2013

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