"GTR has an extreme inner beauty and elegance; the construction of the GTR required the introduction of only one constant—the constant of gravitation. ...GTR produces the following: (1) Newton's law of gravitation, itself; (2) a foundation that enables one to apply Newton's law to the interaction of bodies surrounded by infinitely expanding matter; and (3) Friedmann's nonstationary cosmological model, including the prediction of the Hubble redshift for the spectra of distant objects. Only secondarily do we cite the three famous tests...—the precession of Mercury's perihelion, the deflection of a light beam passin near the Sun, and the variation of the frequency of light in a gravitational field."
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Original Language: English
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, , Relativistic Astrophysics (1971) Vol. 1, also published by Dover as Stars and Relativity (1996)
https://en.wikiquote.org/wiki/General_relativity
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General relativity
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