Can life survive Gamma-Ray Bursts in the high-redshift universe?

  title={Can life survive Gamma-Ray Bursts in the high-redshift universe?},
  author={Ye Li and Bing Zhang},
  journal={arXiv: High Energy Astrophysical Phenomena},
  • Ye Li, Bing Zhang
  • Published 21 July 2015
  • Physics
  • arXiv: High Energy Astrophysical Phenomena
Nearby Gamma-Ray Bursts (GRBs) have been proposed as a possible cause of mass extinctions on Earth. Due to the higher event rate of GRBs at higher redshifts, it has been speculated that life as we know it may not survive above a certain redshift (e.g. $z>0.5$). We examine the duty cycle of lethal (life-threatening) GRBs in the solar neighborhood, in the Sloan Digital Sky Survey (SDSS) galaxies and GRB host galaxies, with the dependence of the long GRB rate on star formation and metallicity… Expand

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