Computer Science
Scientific paper
Apr 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981izssr..45..522l&link_type=abstract
(Evropeiskii Simpozium po Kosmicheskim Lucham, 7th, Leningrad, USSR, Sept. 15-19, 1980.) Akademiia Nauk SSSR, Izvestiia, Seriia
Computer Science
Abundance, Cosmic Rays, Isotopic Enrichment, Protoplanets, Protostars, Solar System, Stellar Evolution, Atmospheric Composition, Chemical Composition, Chondrites, Cosmology, Earth Atmosphere, Meteoritic Composition, Minerals, Nuclear Fusion, Planetary Composition, Supernovae
Scientific paper
An analysis is presented of isotope anomalies in meteorites with reference to the role of cosmic rays in the early stages of the solar system; particular attention is given to abundances of rare-gas isotopes, especially neon isotopes. Several hypotheses as to the origin of isotope anomalies are presented, including the hypothesis of the explosion of a single supernova near the protosolar nebula, the hypothesis that the solar system was formed directly from the ejecta of a single supernova, and the nucleosynthesis model of Lavrukhina and Kuznetsova (1974). This latter hypothesis is based on the idea that shock waves that arise during the supernova explosion lead simultaneously to the acceleration of particles to relativistic energies (i.e., to the generation of cosmic rays) and to the fragmentation of atomic nuclei in supernova shells by accelerated particles.
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