3 ms·

There are no natural fission reactors operating on Earth, and have not been any for billions of years.

• m463 4y ago
  Hmm... I guess after thousands of years they've all gone green and shut down :) https://en.wikipedia.org/wiki/Natural_nuclear_fission_reactor https://en.wikipedia.org/wiki/Natural_nuclear_fission_reacto...
  • ncmncm 4y ago
    Millions.