Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1962
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962phrv..128.2012f&link_type=abstract
Physical Review, vol. 128, Issue 5, pp. 2012-2015
Astronomy and Astrophysics
Astronomy
1
Scientific paper
An astronomical test is suggested for the hypothesis that the gravitational constant k varies throughout space-time according to the law k=k0(1+aVc2), where a is a dimensionless constant of the order of unity and V is the gravitational potential. If k varies, the gravitational self-energy of a body also varies. This brings about a correction in the gravitational force which, in the case of a very dense and massive body like a white dwarf, is not completely negligible. In the gravitational field of the Galaxy, the path of a white dwarf will be slightly different from that of a normal star. In consequence, a white dwarf in a very weakly bound cluster will escape; a white dwarf in a more strongly bound cluster will occupy an anomalous position. Testing these predictions seems to be within the limits of present-day possibilities.
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