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Erroneous Use of the Virial Theorem for Elliptical- and Disc Galaxies, and for Galaxy Clusters leads to Dark Matter

Author:

De Mees, Thierry

Category:

Research Papers

Sub-Category:

Gravity

Language:

English

Date Published:

June 7, 2017

File:

/Research Papers-Gravity/Download/6955

Downloads:

536

Keywords:

velocity, virial theorem, gravity, elliptical galaxies, disc galaxies, kinematics, kinetic energy, potential energy

Abstract:

The virial theorem is a method that is used to evaluate the mass of a dynamic system under certain conditions. It is used in astronomy beyond its scope of validity, as it will be shown here. Moreover, it will be shown that the derivation for the evaluation of the system’s mass is plain wrong as well due to erroneous physical attributions to the mathematical equations, especially in the frame of gravitational systems, including rotating and non-rotating systems. Due to that, “dark matter” has been erroneously postulated for gravitational systems, which indeed include the elliptical- and the disc galaxies.