'Monster' cosmic explosion capable of destroying Earth captured in distant galaxy - Science - News - The Independent:
"This burst was a once-in-a-century cosmic event," Nasa astrophysics chief Paul Hertz said at a news conference Thursday.
A gamma ray burst happens when a massive star dies, collapses into a black hole, explodes in what's called a supernova and ejects energetic radiation. A planet caught in one of these bursts would lose its atmosphere instantly and be left a burnt cinder, scientists say.
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