The stages of the irradiation of protoplanetary matter by cosmic rays

Details The stages of the irradiation of protoplanetary matter by cosmic rays The stages of the irradiation of protoplanetary matter by cosmic rays

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983geokh......643k&link_type=abstract

(Akademiia Nauk SSSR, Vsesoiuznaia Meteoritnaia Konferentsiia, 18th, Chernogolovka, USSR, Sept. 15-17, 1981) Geokhimiia (ISSN 00

Computer Science

Abundance, Cosmic Rays, Meteoritic Composition, Planetary Composition, Protoplanets, Solar System, Accretion Disks, Elementary Particle Interactions, Evolution (Development), Irradiation, Isotopes, Nuclear Fusion, Particle Tracks, Solar Cosmic Rays, Supernovae

Scientific paper

The different stages of the irradiation of protoplanetary matter in the solar system by cosmic rays of various energies are examined. The stages correspond to the four main stages of the evolution of matter: (1) the stage of the unified galactic nucleosynthesis 10.6 billion years ago; (2) the stage of the flash of a star of the second generation as a supernova 4.7 billion years ago; (3) the stage of the expanding shell of the supernova 4.6 billion years ago; and (4) the stage of the accretion of planetesimals 4 billion years ago. The effects of the irradiation are characterized and some parameters based on calculated and experimental results are presented.

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