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Old January 10th 21, 12:21 AM posted to sci.astro
Pentcho Valev
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Default Einsteinians Doubt Einstein's Black Holes (Leave the Sinking Ship)

"But are they [scientists] really seeing the mysterious, featureless pits in space and time predicted by Albert Einstein's theory of gravity, general relativity? Could these objects [black holes] be something else, instead, perhaps some ultradense dark material orbs? [...] Any sign that general relativity is wrong, and that these things are not the knots of pure gravity predicted by the theory, would revolutionize physics."

The speed of light is VARIABLE AS PER NEWTON, so only Michell's "dark stars" can exist:

"It was Michell who, in a paper for the Philosophical Transactions of the Royal Society of London, read on 27 November 1783, first proposed the idea that there were such things as black holes, which he called "dark stars". Having accepted Newton's corpuscular theory of light, which posited that light consists of minuscule particles, he reasoned that such particles, when emanated by a star, would be slowed down by its gravitational pull, and thought that it might therefore be possible to determine the star's mass based on the reduction in speed. This insight led in turn to the recognition that a star's gravitational pull might be so strong that the escape velocity would exceed the speed of light. Michell calculated that this would be the case with a star more than 500 times the size of the Sun. Since light would not be able to escape such a star, it would be invisible."

See more he

Pentcho Valev