2

MOND, based on a modifications of Newton's law for small accelerations, describes the rotation curves of stars in most galaxies, especially the outer stars.

Has MOND been tested for the stars in our own galaxy, the Milky Way? Is there any publication on this topic?

It appears that Does MOND make good predictions? does not answer this question, because it is about other galaxies; it does not discuss the Milky Way at all. This question is about rotation curves of the stars in the Milky Way only - not about other stars.

The challenge is different, because one has to measure many different stars at many different positions in the sky, and then deduce the rotation curve.

KlausK
  • 846

2 Answers2

2

MOND has many successes on the galactic scale (see Mcgaugh 2012 for a review) , but still falls short of explaining the observed mass density of the Bullet Cluster (see this for a review). Since MOND is not a relativistic theory, it cannot be the full story. Once you try to develop a relativistic theory that gives you MOND predictions at the appropriate limits, it falls short of explaining many phenomena we see on cosmological scales such as the CMB anisotropies and the Baryonic Acoustic Oscillations. Thus, one finds relativistic MONDian theories invoking the notion of "dark fields" and "dark matter" and so we are back to square 1.

-1

This paper by McGaugh was pointed out to me:

https://arxiv.org/abs/1909.11158

In summary, MOND is better for the Milky Way than LambdaCDM.

KlausK
  • 846