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?

1996-07-28

arxiv.org/abs/astro-ph/9607142v1

Int.J.Theor.Phys. 37 (1998) 2621-2625

Astronomy and Astrophysics

Astrophysics

Scientific paper

We describe 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/T, where c and T are the speed of light and the Hubble time. In the lowest approximation the fourth power of the rotational velocity is shown to be proportional to (2/3)GMcHo, where G is Newton's gravitational constant, M is the mass of the central body (galaxy) and Ho is the Hubble constant. This formula satisfies observations of stars moving in spiral and elliptical galaxies, and in accordance with the familiar Tully-Fisher law.

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