A nearby neutron-star merger explains the actinide abundances in the early Solar System

A growing body of evidence indicates that binary neutron-star mergers are the primary origin of heavy elements produced exclusively through rapid neutron capture 1 – 4 (the ‘r-process’). As neutron-star mergers occur infrequently, their deposition of radioactive isotopes into the pre-solar nebula co...

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Veröffentlicht in:	Nature (London) 2019-05, Vol.569 (7754), p.85-88
Hauptverfasser:	Bartos, Imre, Marka, Szabolcs
Format:	Artikel
Sprache:	eng
Schlagworte:	639/33/34/4127 639/33/445/3928 704/445/3928 Accretion disks Actinide elements Actinides Age Analysis Astronomical collisions Binary stars Computer simulation Curium Deposition Heavy elements High temperature Humanities and Social Sciences Isotopes Letter Meteors & meteorites multidisciplinary Natural history Neutron stars Numerical simulations Observations Origin Plutonium Probability distribution Radioisotopes Science Science (multidisciplinary) Simulation Solar nebula Solar System Star & galaxy formation Star mergers Stars Supernovae
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