Variable G - A solution to the missing mass problem

Details Variable G - A solution to the missing mass problem Variable G - A solution to the missing mass problem

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.261..302l&link_type=abstract

Nature, vol. 261, May 27, 1976, p. 302-304.

Astronomy and Astrophysics

Astrophysics

8

Big Bang Cosmology, Gravitational Constant, Missing Mass (Astrophysics), Stellar Mass, Astronomical Models, Gravitational Effects, Star Clusters, Virial Theorem

Scientific paper

The letter examines the explanation that a variable gravitational constant (G) affords for the 'missing mass' paradox. Analyses of the orbits of two point masses and the simulated orbits of two galaxies show that the variability of G explains in principle both the observed small range in the absolute magnitudes of the brightest ellipticals in clusters of galaxies and the independence of that range from the size and richness of a cluster. It is concluded that the breakup of early clusters of galaxies into small groups and isolated galaxies is to be expected with a steadily weakening gravitational field.

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