Supernovae, grains and the formation of the solar system

Details Supernovae, grains and the formation of the solar system Supernovae, grains and the formation of the solar system

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.269..116l&link_type=abstract

Nature, vol. 269, Sept. 8, 1977, p. 116-118. Research supported by the Alfred P. Sloan Foundation, NSF, and NASA.

Computer Science

11

Cosmology, Granular Materials, Solar System, Stellar Evolution, Supernovae, Abundance, Carbon, Magnesium, Meteoritic Composition, Neon, Nuclear Fusion, Oxygen, Planetary Evolution, Xenon

Scientific paper

An investigation is conducted concerning the possibility that observed Mg-26 anomalies in meteorites may be related to a nucleosynthetic event which preceded the formation of the solar system by at most a few million years. The Al-26, which decayed to form the observed excess Mg-26, could have been produced in either explosive carbon burning or in a high temperature carbon burning shell source immediately preceding the explosion. The results of supernova grain condensation calculations are presented and related to the hypothesis that a 'last event' supernova was indeed related to the formation of the solar system and thus might have created the observed isotopic anomalies in magnesium, oxygen, neon, and xenon.

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