Astronomical observations reveal a major deficiency in our understanding of physics—the
detectable mass is insufficient to explain the observed motions in a huge variety of systems …

A review is given of a priori predictions made for the dynamics of rotating galaxies. One
theory—MOND—has had many predictions corroborated by subsequent observations …

Galactic rotation curves exhibit diverse behavior in the inner regions while obeying an
organizing principle; ie, they can be approximately described by a radial acceleration …

We compare proposed solutions to the core vs cusp issue of spiral galaxies, which has also
been framed as a diversity problem, and demonstrate that the cuspiness of dark matter halos …

The existence of dark matter in the universe has been solidly established in the last
decades, after the arrival of accurate cosmological and astrophysical observations, and …

Stellar and gas kinematics of galaxies are a sensitive probe of the dark matter distribution in
the halo. The popular fuzzy dark matter models predict the peculiar shape of density …

In the past few decades, various versions of modified gravity theories were proposed to
mimic the effect of dark matter. Compared with the conventional Newtonian or relativistic …

We study the radial acceleration relation (RAR) between the total (a tot) and baryonic (a
bary) centripetal acceleration profiles of central galaxies in the cold dark matter (CDM) …

Dark matter phenomena in rotationally supported galaxies exhibit a characteristic
acceleration scale of g†≈ 1.2× 10− 10 ms− 2. Whether this acceleration is a manifestation of …

Recently, the discovery of the radial acceleration relation (RAR) in galaxies has been
regarded as an indirect support of alternative theories of gravity such as modified Newtonian …