arXiv · astro-ph/9905144
Velocity at the Schwarzschild horizon revisited
Abstract
The question of the physical reality of the black hole interior is a recurrent one. An objection to its existence is the well known fact that the velocity of a material particle, refered to the stationary frame, tends to the velocity of light as it approaches the horizon. It is shown, using Kruskal coordinates, that a timelike radial geodesic does not become null at the event horizon.
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Ismael Tereno. 1999-05-12. Velocity at the Schwarzschild horizon revisited. https://arxiv.org/abs/astro-ph/9905144
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