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Inside the Sun: Unsolved Problems

Published online by Cambridge University Press:  12 April 2016

E. Schatzman
E. Schatzman*
Affiliation:
Observatoire de Meudon, DASGAL, 92195 Meudon-Cedex, FRANCE

Abstract

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As it is impossible to approach all the problems concerning the inside of the Sun, a number of questions will not be taken into consideration during the meeting. In this brief overview of the presently unsolved questions I shall insist on some special aspects of the solar properties: the variations of the solar radius, the generation of the solar wind, some interesting effects due to the presence of a strong gradient of 3He, the history of the rotating Sun. The presence of the planetary system suggests that the Sun might have been a T Tauri star, with an accretion disc and may have started on the mains sequence as a fast rotating star. A sketch is given of the possible consequences.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 121: Inside the Sun , 1990 , pp. 5 - 17
Copyright
Copyright © Kluwer 1990

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