I'll raise you the hypothesized (and today largely doubted) terracentric georeactor published in PNAS: Deep-Earth reactor: Nuclear fission, helium, and the geo

I'll raise you the hypothesized (and today largely doubted) terracentric georeactor published in PNAS: Deep-Earth reactor: Nuclear fission, helium, and the geomagnetic field, https://www.pnas.org/content/98/20/11085 https://www.pnas.org/content/98/20/11085 And don't forget the "Moon may have formed in a nuclear explosion" theory (uranium enrichment back then was well above 20%!): https://www.technologyreview.com/s/417259/moon-may-have-formed-in-natural-nuclear-explosion/ https://www.technologyreview.com/s/417259/moon-may-have-form...