Recent supernova debris Iron-60 found in oceans

• by Budgieye moderator

  Supernovae showered Earth with radioactive debris

  A series of massive supernova explosions near our solar system
  showered the Earth with radioactive debris between 3.2 and 1.7 million
  years ago

  The dating showed the fallout had only occurred in two time periods,
  3.2 to 1.7 million years ago and eight million years ago

  https://www.sciencedaily.com/releases/2016/04/160406133622.htm

  Posted April 17, 2016 11:43 AM