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Thread: black hole

  1. #1 black hole 
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    why is it hard to understand the physics of a black hole particularly at its centre ( singularity )
    why einstein's laws fails after event horizon
    is the proposal of a quantum bridge at centre of a black hole possible


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    Moderator Moderator Markus Hanke's Avatar
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    why is it hard to understand the physics of a black hole particularly at its centre ( singularity )
    The reason is that our current model of gravity - Einstein's General Relativity - is a purely classical theory, meaning it does not account for any quantum effects. Unfortunately, during the process of a gravitational collapse, there comes a time when such quantum effects cannot be neglected; therefore we would need a model of "quantum gravity" to correctly describe what exactly happens during such a collapse. We don't have such a model yet, but it is an area of ongoing and very active research.

    why einstein's laws fails after event horizon
    Actually, it only fails at the central singularity; the region between the event horizon and the hypothetical singularity is smooth and regular.

    is the proposal of a quantum bridge at centre of a black hole possible
    Not sure what you mean by "quantum bridge".


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