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Gamma-ray bursts are a real threat to life


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#1 Rhythm

Rhythm

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Posted 27 January 2015 - 08:30 PM

http://cerncourier.c...icle/cern/59937

"The authors find a 50% chance that a nearby GRB powerful enough to cause a major life extinction on the planet took place during the past 500 million years (Myr). They further estimate that GRBs prevent complex life like that on Earth in 90% of the galaxies."

"The two theoretical astrophysicists also claim that GRBs prevent evolved life as it exists on Earth in almost every galaxy that formed earlier than about five-thousand-million years after the Big Bang."






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