The True Origins of Gold in Our Universe May Have Just Changed, Again – ScienceAlert

When humanity finally detected the collision between two neutron stars in 2017, we confirmed a long-held theory – in the energetic fires of these incredible explosions, elements heavier than iron are forged.
And so, we thought we had an answer to the question of how these elements – including gold – propagated throughout the Universe.
But a new analysis has revealed a problem. According to new galactic chemical evolution models, neutron star collisions don’t even come close to producing the ab…

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