Is galaxy dark matter a property of spacetime?

Details Is galaxy dark matter a property of spacetime? Is galaxy dark matter a property of spacetime?

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ijtp...37.2621c&link_type=abstract

International Journal of Theoretical Physics, Vol. 37, No. 10, p. 2621 - 2625

Physics

5

Universe: Dark Matter, Universe: Expansion, Galaxies: Tully-Fisher Relation

Scientific paper

The author describes the motion of a particle in a central field in an expanding universe. Use is made of a double expansion in 1/c and 1/τ, where c and τ are the speed of light and the Hubble time. In the lowest approximation the rotational velocity is shown to satisfy ν4 = 2/3 GMcH0, where G is Newton's gravitational constant, M is the mass of the central body (galaxy), and H0 is the Hubble constant. This formula satisfies observations of stars moving in spiral and elliptical galaxies, and is in accordance with the familiar Tully-Fisher law.

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