Terrestrial Effects of Nearby Supernovae in the Early Pleistocene.

  title={Terrestrial Effects of Nearby Supernovae in the Early Pleistocene.},
  author={Brian C. Thomas and Eberhard Engler and Michael Kachelrie\ss and Adrian L. Melott and Andrew C Overholt and Dmitry V. Semikoz},
  journal={The astrophysical journal. Letters},
  volume={826 1}
Recent results have strongly confirmed that multiple supernovae happened at distances of ∼100 pc, consisting of two main events: one at 1.7-3.2 million years ago, and the other at 6.5-8.7 million years ago. These events are said to be responsible for excavating the Local Bubble in the interstellar medium and depositing 60Fe on Earth and the Moon. Other events are indicated by effects in the local cosmic ray (CR) spectrum. Given this updated and refined picture, we ask whether such supernovae… CONTINUE READING
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