NSBL-RT-017 Schwarzschild's Metrical Model of a Liquid Sphere
We study Schwarzschild's metrical model of an incompressible (liquid) sphere of constant density and note the tremendous internal pressures described by the model when applied to a stellar body like the sun. We also study the relativistic radial motion of a photon and a massive particle in the associated gravitational field, with due regard to energy conservation. We note the similarities and the differences between this case and the case of a Schwarzschild singular source with special regard to repulsive effects and penetrability.
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