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- W2008175364 abstract "The Newtonian gravitational parameter G is a constant in both Newton's law of gravitation (force = −GM1M2/r122) and Einstein's general theory of relativity. However, over the last fifty years there have been numerous suggestions that G might in fact change with time. The detailed grounds for these suggestions have differed, but most variable-G theories account for gravitation on a cosmological basis. As such, they usually involve a time-dependent G: G = G(t), where t is a parameter that can, loosely speaking, be interpreted as the “age” of the Universe. A value of G that depends on time is a drastic departure from the established physics of gravitation (based on Newton's and Einstein's theories). Before looking at G-variability in detail it is therefore logical to ask first: Why should G vary?" @default.
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- W2008175364 date "1980-07-01" @default.
- W2008175364 modified "2023-09-29" @default.
- W2008175364 title "Does gravity change with time?" @default.
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- W2008175364 doi "https://doi.org/10.1063/1.2914162" @default.
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