Journal of Astrophysics and Astronomy

, Volume 21, Issue 3–4, pp 331–337 | Cite as

Perspectives on the interior of the Sun

  • S. M. Chitre


The interior of the Sun is not directly accessible to observations. Nonetheless, it is possible to infer the physical conditions inside the Sun with the help of structure equations governing its equilibrium and with the powerful observational tools provided by the neutrino fluxes and oscillation frequencies. The helioseismic data show that the internal constitution of the Sun can be adequately represented by a standard solar model. It turns out that a cooler solar core is not a viable solution for the measured deficit of neutrino fluxes, and the resolution of the solar neutrino puzzle should be sought in the realm of particle physics.

Key words

Sun: Oscillations rotation interior 


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Copyright information

© Indian Academy of Sciences 2000

Authors and Affiliations

  • S. M. Chitre
    • 1
  1. 1.Tata Institute of Fundamental ResearchMumbaiIndia

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