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Grav10: Mass and Light-Horizons, Black Holes' Radii, the Schwartzschild Metric and the Kerr Metric

Author:

De Mees, Thierry

Category:

Research Papers

Sub-Category:

Relativity Theory

Language:

English

Date Published:

February 08, 2015

Downloads:

508

Keywords:

Maxwell Analogy, gravitation, rotary star, black hole, Kerr Metric, torus, gyrotation, horizon

Abstract:

Black holes generally are defined as stellar objects which do not release any light. The Schwarzschild radius, derived from GRT, defines the horizon radius for non-rotating black holes. The Kerr metric is supposed to define the “event horizon” of rotating black holes, and this metric is derived from generally “acceptable” principles. The limit for the Kerr metric's horizon for non-rotating black holes is the Schwarzschild radius. By analysing the horizon outcome for rotating and non-rotating black holes, using the Maxwell Analogy for Gravitation (MAG) (or historically more correctly: the Heaviside Analogy for Gravitation, often called gravitomagnetism), I find that the Kerr metric must be incomplete in relation to the definition of “event” horizons of rotating black holes. If the Maxwell Analogy for Gravitation (gravitomagnetism) is supposed to be “a good approach” of GRT, we may assume that it is a valid analysis tool for the star horizon metrics. The Kerr metric only defines the horizons for light, but not the “mass-horizons”. I find both the “light-horizons” and the the “mass-horizons” based on MAG. Moreover, I deduct the equatorial radii of rotating black holes. The probable origin of the minutes-lasting gamma bursts near black holes is unveiled as well. Finally, I deduct the spin velocity of black holes with a 'Critical Compression Radius'.

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