Neutron star mergers have been confirmed to synthesize rare Earth elements. For the first time, a group of scientists has identified rare earth elements produced by neutron star mergers. The details of the scientists' findings were recently published in The Astrophysical Journal. When two neutro
Neutron star mergers have been confirmed to synthesize rare Earth elements.neutron starThe Astrophysical JournalWhen two neutron stars spiral inward and merge, the resultant explosion generates a large number of the heavy elements that comprise our Universe. The first confirmed instance of this process occurred in 2017, and was named GW 170817.
They used this to investigate the spectra of kilonovae – bright emissions caused by the radioactive decay of freshly synthesized nuclei that are ejected during the merger – from GW 170817. Based on comparisons of detailed kilonovae spectra simulations produced by thesupercomputer “ATERUI II” the researchers discovered that the rare elements lanthanum and cerium may reproduce the near-infrared spectral features witnessed in 2017.
“This is the first direct identification of rare elements in the spectra of neutron star mergers, and it advances our understanding of the origin of elements in the Universe,” Dotomo said.
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