The spiral structure of galaxies
Evangelos Chaliasos
Abstract
We start from the author's metric for a rotating and accelerating Universe and we calculate the force acting on a particle in it. This force consists of two parts: one is derived from a potential, and the other describes a Coriolis force coming from the overall rotation of the Universe. We then write down the equations of motion, and we solve them analytically in the Newtonian approximation. The result has to describe in particular a spiral arm. It gives right a logarithmic helix, as it has been found empirically to be the case for our Galaxy (in particular).
Create a lesson
Related papers
Model dependent analytic spin torsion corrections to Blandford Znajek energy extraction in Einstein Cartan gravity
Jingxu Wu, Liangyu Luo, Zhenzhou Lei et al.
Relational GNS Fusion and an Idempotent Gauge-Gravity Fixed Point
G. J. Verbiest
Testing the running vacuum model in light of DESI-DR2 Measurements
Lamiae Kardaddech, Safae Dahmani, Amine Bouali et al.
Reheating after the Higgs Inflation
Manda Malekpour, Kourosh Nozari
Observational viability of Herglotz f(R,T) gravity: A multi-probe Bayesian analysis
Vishal M C, Sankarsan Tarai
Coherent Oscillations of Protons in Hydrogen-loaded Metals
G. Modanese