The evidence for and against astronomical impacts on climate change and mass extinctions: a review

@article{BailerJones2009TheEF,
  title={The evidence for and against astronomical impacts on climate change and mass extinctions: a review},
  author={C. Bailer-Jones},
  journal={International Journal of Astrobiology},
  year={2009},
  volume={8},
  pages={213-219}
}
  • C. Bailer-Jones
  • Published 2009
  • Physics, Biology
  • International Journal of Astrobiology
  • Numerous studies over the past 30 years have suggested there is a causal connection between the motion of the Sun through the Galaxy and terrestrial mass extinctions or climate change. Proposed mechanisms include comet impacts (via perturbation of the Oort cloud), cosmic rays and supernovae, the effects of which are modulated by the passage of the Sun through the Galactic midplane or spiral arms. Supposed periodicities in the fossil record, impact cratering dates or climate proxies over the… CONTINUE READING
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