Historically, it was thought that supernovae were the primary source of heavy elements in the Universe. Recent studies, however, suggest that while supernovae produce elements up to zirconium, they fall short for heavier elements. The slow neutron capture process explains some element formation, but vast amounts require different mechanisms. A 2017 discovery of a kilonova event pointed towards colliding neutron stars as the key contributors of heavy elements. New observations from the JWST have reinforced this theory, suggesting colliding neutron stars are more common than previously believed, reshaping our understanding of cosmic element formation.
Gravitational wave observations allow us to detect the 'ripples' in spacetime created from the inspiral and merger of two massive, compact objects.
A kilonova event indicated a potential origin for most heavy elements, including gold and uranium, challenging previous beliefs centered on supernova explosions.
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