The density and temperature in the deep interior of the Sun are roughly 0.1 kgm 3 and
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The density and temperature in the deep interior of the Sun are roughly 0.1 kgm−3 and 1.5 × 107 K.
(a) Estimate the central gas pressure and radiation pressure and their ratio.
(b) The mean free path of the radiation is determined almost equally by Thomson scattering, bound-free absorption, and free-free absorption. Estimate numerically the photon mean free path and hence estimate the photon escape time and the luminosity. How well do your estimates compare with the known values for the Sun?
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a To estimate the central gas pressure and radiation pressure we can use the ideal gas law and the StefanBoltzmann law Gas Pressure The gas pressure can be estimated using the ideal gas law which is g...View the full answer
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Related Book For 
Modern Classical Physics Optics Fluids Plasmas Elasticity Relativity And Statistical Physics
ISBN: 9780691159027
1st Edition
Authors: Kip S. Thorne, Roger D. Blandford
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