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Isotopic Abundances in Comets

Published online by Cambridge University Press:  04 August 2017

V. Vanysek
V. Vanysek*
Affiliation:
Department of Astronomy and Astrophysics, Charles University 150 00 Praha 5, Švédská 8 Czechoslovakia

Abstract

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It is belived that the unprocessed material of the solar nebula may be preserved in comets. Thus the data concerning the chemical composition and the abundance of stable isotopes in these primitive bodies are of some importance in cosmological and cosmogonical context. Although the isotopic abundance in the small bodies of the Solar System are poorly known, owing to the forthcoming Halley fly-by missions, the discussion as whether or not the comets have preserved the cosmic isotopic ratio in their nuclei became more relevant. From this point of view expected data of the cosmologically and cosmogonically significant isotopic ratios of stable isotopes of the light elements in comets are discussed.

Type
Comets
Information
Symposium - International Astronomical Union , Volume 120: Astrochemistry , 1987 , pp. 461 - 467
Copyright
Copyright © Reidel 1987 

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