Cosmological variation of G and the solar luminosity

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Cosmology, Gravitational Constant, Periodic Variations, Solar Flux Density, Stellar Luminosity, Lagrange Coordinates, Newton Theory, Nonrelativistic Mechanics, Solar Temperature, Stellar Mass

Scientific paper

Teller's analysis of the effects of a varying gravitational constant G on the past solar luminosity is reexamined. It is shown that if Newtonian gravitation is viewed as a nonrelativistic limit of Einstein's theory, there exists (1) a constraint between G and the total mass M of the sun and (2) a change in the radiative energy density-temperature relation, which were not included in Teller's analysis and which change his result from L is about G to the 7th power (found to be unacceptable) to L is about constant, independently of how G might vary with time.

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