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A comment on The periodic table, colour coded by the likely origin of each element. Parent comment

Re:The periodic table, colour coded by the likely origin of ... by arethuza on Tuesday August 11, 2020 @09:51AM (#24120207)
"it starts decaying into normal matter"

Thanks - I had managed to miss the fact that being made in a neutron star collision implies that things like gold were once part of neutron stars.

I think this exceeds the coolness of having been in a supernova.

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Re:The periodic table, colour coded by the likely origin of ... by ahazred8ta on Tuesday August 11, 2020 @09:52PM (#24127879)
The collision is messy and it splatters a huge amount of neutronium into space. This dissociates into a very hot mist of heavy elements, which eventually mixes into the surrounding nebula. The proto-solar disk was formed from this mixture.
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