Velocity Curves for Stars in Disk Galaxies: A case for Nearly Newtonian Dynamics

Details Velocity Curves for Stars in Disk Galaxies: A case for Nearly Newtonian Dynamics Velocity Curves for Stars in Disk Galaxies: A case for Nearly Newtonian Dynamics

2006-05-28

arxiv.org/abs/astro-ph/0605688v2

Astronomy and Astrophysics

Astrophysics

Submitted version, with corrected language and typos, simplified explanations and added references. 6 pages, 3 figures, revtex

Scientific paper

The dark matter constraint imposed by the recent WMAP experiment on gravitational theories is analyzed. Using the non-linearity of the vacuum Einstein's equations, it is shown that when the slow motion condition is applied to the geodesic equations, the resulting nearly Newtonian gravitational field describes nearly flat velocity curves for rotating stars in the vicinity of thin disk galaxies.

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