Preprint Article Version 1 This version is not peer-reviewed

The Discrepancy in Galaxy Rotation Curves

Version 1 : Received: 3 August 2019 / Approved: 5 August 2019 / Online: 5 August 2019 (05:08:42 CEST)

How to cite: Gomel, R.; Zimmerman, T. The Discrepancy in Galaxy Rotation Curves. Preprints 2019, 2019080046 (doi: 10.20944/preprints201908.0046.v1). Gomel, R.; Zimmerman, T. The Discrepancy in Galaxy Rotation Curves. Preprints 2019, 2019080046 (doi: 10.20944/preprints201908.0046.v1).

Abstract

In this work we try a new approach for dealing with the discrepancy between observed galaxy rotation curves and theoretical predictions. This new approach does not involve any changes in the current fundamental laws of nature or the addition of dark halos. Rather, it is based on the following single assumption: the observed velocities presented in rotation curves are not given relative to the galaxies' local inertial frames. Another way of putting it down: fictitious forces, which arise in non-inertial frames, should be taken into account when constructing a theoretical rotation curve. It turns out that this single assumption is sufficient in order to establish a robust model for fitting rotation curves. Applying the new model on a sample of more than 30 galaxies provides very promising results.

Subject Areas

dark matter; reference frames; galaxies

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