Possible role of gamma ray bursts on life extinction in the universe.

@article{Piran2014PossibleRO,
  title={Possible role of gamma ray bursts on life extinction in the universe.},
  author={Tsvi Piran and Raul Jimenez},
  journal={Physical review letters},
  year={2014},
  volume={113 23},
  pages={
          231102
        }
}
As a copious source of gamma rays, a nearby galactic gamma ray burst (GRB) can be a threat to life. Using recent determinations of the rate of GRBs, their luminosity function, and properties of their host galaxies, we estimate the probability that a life-threatening (lethal) GRB would take place. Amongst the different kinds of GRBs, long ones are most dangerous. There is a very good chance (but no certainty) that at least one lethal GRB took place during the past 5 gigayears close enough to… 

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