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ABSTRACT

Canuto et al. 1979

Canuto, V.M., S.-H. Hsieh, and J.R. Owen, 1979: Varying G. M. Not. Royal Astron. Soc., 188, 829-837.

We critically analyze the problem of the variation of the gravitational constant with cosmological time.

Since Einstein's equation does not allow G to vary on any time scale, no observational data can be analyzed within the context of the standard theory. The recently proposed scale covariant theory, which allows (but does not demand) G to vary, and which has been shown to have passed several standard cosmological tests, is employed to discuss some recent non-null observational results which indicate a time variation of G.

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