Solar abundances and the role of nucleogenesis in low-to-medium mass stars in the galaxy

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Abundance, Chondrites, Interstellar Matter, Nuclear Fusion, Solar System, Stellar Evolution, Cosmochemistry, Galaxies, Oscillator Strengths, Planetary Nebulae, Stellar Mass, Supernova Remnants, Meteorites, Abundance, Nucleogenesis, Solar System, Patterns, Metals, Source, Comparisons, Chemistry, Composition, Origin, Nucleosynthesis

Scientific paper

The pattern of solar elemental abundances agrees well with that shown by CI chondrites for nonvolatile elements. For metals of the iron peak, the chief source of uncertainty seems to be the structure of the solar atmosphere. Lines of rare elements are frequently masked by atomic and molecular lines of abundant species. The vast majority of stars (including the sun) will do little to change the bulk composition of the interstellar medium from which new stars are formed. He, C, and N in small quantities are supplied by stars from 1 to 8 solar masses as they evolve and produce nebular envelopes that dissipate into the interstellar medium, but as has long been recognized, oxygen, heavier elements, and all r-process and proton-rich nuclides are made in massive stars.

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