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The remnants of nuclear reactors nearly two billion years old were found in the 1970s in Gabon, Africa. These reactors are thought to have occurred naturally. No natural reactors exist today, as the relative density of fissile uranium has now decayed below that needed for a sustainable reaction. The image above is Fossil Reactor 15, located in Oklo, Gabon. Uranium oxide remains are visible as the yellowish rock.
Reposted bywonderfulnaturemenphraddziadekmrozcygenb0ckmondkroeteLympatherdatenwolfcptrickEbo02mydafsoup-01
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