BASEL, Switzerland, March 22 -- Galaxies, a peer-reviewed open access journal that says it features astronomy, astrophysics and cosmology, published research articles on the following topics in its March 2021 edition:

Article:

* On the Modeling of Algol-Type Binaries

* The Dirac Electron Consistent with Proper Gravitational and Electromagnetic Field of the Kerr-Newman Solution

* Black Holes and Other Clues to the Quantum Structure of Gravity