Testing the Hypothesis of Modified Dynamics with Low Surface Brightness Galaxies and Other Evidence

Details Testing the Hypothesis of Modified Dynamics with Low Surface Brightness Galaxies and Other Evidence Testing the Hypothesis of Modified Dynamics with Low Surface Brightness Galaxies and Other Evidence

1998-01-13

arxiv.org/abs/astro-ph/9801102v1

Astrophys.J. 499 (1998) 66-81

Astronomy and Astrophysics

Astrophysics

Accepted for publication in the Astrophysical Journal. 35 pages AAStex + 9 figures. This result surprised the bejeepers out of

Scientific paper

The rotation curves of low surface brightness galaxies provide a unique data set with which to test alternative theories of gravitation over a large dynamic range in size, mass, surface density, and acceleration. Many clearly fail, including any in which the mass discrepancy appears at a particular length-scale. One hypothesis, MOND [Milgrom 1983, ApJ, 270, 371], is consistent with the data. Indeed, it accurately predicts the observed behavior. We find no evidence on any scale which clearly contradicts MOND, and a good deal which supports it.

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