Where are elements heavier than iron, such as gold and uranium, primarily created?

Answer

In the fiery crucible of a supernova explosion or neutron star merger

The very heaviest elements, like gold, silver, and uranium, are created through rapid nuclear capture processes during the extreme environments of a star's explosive death (supernova) or the merger of neutron stars.

Where are elements heavier than iron, such as gold and uranium, primarily created?

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