It is currently believed that the primary source of the element Gold is supernova explosions. It also seems that the Gold on planet Earth is around the same age as the Earth itself at some 4.6 billion years. Therefore one concludes that the Earth formed very shortly after its seeding star completely sterilised the entire local area in a supernova explosion. Couple this with the recent findings that the earliest life on Earth may date back some 3.5 billion years and it seems that in terms of cosmological timescales, life found its foothold on this rocky planet almost instantaneously after the whole region had just been sterilised of all potential life.
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