Fields, B. et al. (2020): Supernova triggers for end-Devonian extinctions. Proceedings of the National Academy of Sciences of the United States of America, Vol. 117 (35) https://t.co/OEU9XUC7Cy Ocorrência de supernovas provadas por deposição de Ferro 60:
Between 8.5/6.7 mya, a nearby (100s of light years) supernova showers earth with radiation, leaves iron-60 fallout at bottom of present-day ocean https://t.co/Sy8wZYiED3
RT @logarithmic_h: <3.2Mya. Nearby supernova showers Earth w/ iron-60. Destroys ozone, triggers Pliocene -> Pleistocene? https://t.co/Sy8wZ…
<3.2Mya. Nearby supernova showers Earth w/ iron-60. Destroys ozone, triggers Pliocene -> Pleistocene? https://t.co/Sy8wZYiED3