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Reid, M.J. and Brunthaler, A. (2020) The Proper Motion of Sagittarius A*. III. The Case for a Supermassive Black Hole. The Astrophysical Journal, 892, Article 39.
https://doi.org/10.3847/1538-4357/ab76cd

has been cited by the following article:

• TITLE: Evidence of Galaxy Expansion from Globular Clusters

  AUTHORS: Garen S. Karapetian, Abraham P. Mahtessian, Lev E. Byzalov, Martik A. Hovhannisyan, Lazar A. Mahtessian

  KEYWORDS: Globular Clusters, Galactic Center, Galaxy Expansion

  JOURNAL NAME: International Journal of Astronomy and Astrophysics, Vol.15 No.2, June 24, 2025

  ABSTRACT: In modern astrophysics, it is believed that galaxies are not expanding. The authors of the article set out to investigate the motion of Globular Clusters (GC) of the Milky Way relative to the plane and center of the Galaxy. The study yielded the following results: 1. The average velocity of the GC relative to the Galactic plane for the northern region of the Galaxy has a positive value of approximately 30.36 ± 15.29 km/s (N = 42) for the range 0 ∘