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Hypothesis of variablegand the secular accelerations of the Sun and the Moon

โœ Scribed by S. Yabushita


Publisher
Springer Netherlands
Year
1986
Tongue
English
Weight
543 KB
Volume
34
Category
Article
ISSN
1573-0794

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โœฆ Synopsis


It is known that the observed secular accelerations of the Sun and Moon are not consistent with the tidal interactions of the Earth with the Sun and Moon. Following Dicke, the hypothesis of variable constant of gravity is adopted and expressions for the accelerations are derived. It is shown that if the theoretical ratio of the acceleration is equated the observed one, a unique value for -G/G can be calculated. Adopting the accelerations obtained by Fotheringham, Newton, Muller and Stephenson, and Stephenson, it is found that -C/G ranges from 1.4 x IO-" to 3.3 x lo-" yr-'. This estimate is consistent with the one based upon the comparison of the lunar accelerations measured with respect to atomic and ephemis times.


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