Evidence for nearby supernova explosions.

@article{Bentez2002EvidenceFN,
  title={Evidence for nearby supernova explosions.},
  author={N. Benı́tez and J. Ma'iz-Apell'aniz and M. Ca{\~n}elles},
  journal={Physical review letters},
  year={2002},
  volume={88 8},
  pages={
          081101
        }
}
Supernova (SN) explosions are one of the most energetic---and potentially lethal---phenomena in the Universe. We show that the Scorpius-Centaurus OB association, a group of young stars currently located at approximately 130 pc from the Sun, has generated 20 SN explosions during the last 11 Myr, some of them probably as close as 40 pc to our planet. The deposition on Earth of (60)Fe atoms produced by these explosions can explain the recent measurements of an excess of this isotope in deep ocean… Expand
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