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I've struggled with that one myself....
Although the blackhole is a solution to the equations of General Relativity, the solution itself, has what you would call in mathematics: a "singularity". Everybody who is familiar with blackhole terminology immediately asscociates a blackhole with having a "singularity".....but do they really know what the term implies...? It says something profound...... that the equations that describe gravity as: the geometric configuration of space and time as a function of the density of energy......are no longer valid or applicable. In other words we no longer know what "spacetime" means much less its geometric configuration and hence behavior of gravity or matter. If we don't have an acceptable model for the structure of space and time under these conditions, and we certainly can't argue on grounds of observation.......then who's to say anything about the trajectory of matter along a "spacetime backdrop" when the configuration of this "backdrop" isn't understood. What if the structure of spacetime in a blackhole is privy to twist itself up and in effect....create more curled dimensions and less extended dimensions(assuming string theory is itself a valid description). Well what if this different structure for spacetime causes a distortion in the meaning of "length", as space is now distorted so much that the blackhole's "upper speed limit" is now different than "our speed of light". What if our physics prohibit the act of escaping the clutches of a blackhole while the somewhat alterred physics inside the blackhole don't prohibit escape?
Say for instance that an intelligent civiliztion evolved under these somewhat alterred physics inside this vast new "blackhole universe". Now say that one individual became a theoretical physicist and found a solution to an equation he derived. His physics community was shocked at the outlandish implications of this solution. This solution described the impossible......three extended spatial dimensions and one extended time dimension that could actualy give rise to physics that allowed for matter to behave as though it curved this spacetime and attracted other matter. And not only that....but this theoretical new discovery ... he called "supergravity" could give rise to mathematical oddities he called "spacetime gobblers" (blackholes), and an entire universe populated with galaxies. He goes on further to say that their own universe may actualy be a an average size blackhole in an even greater universe....."although," he adds, "size no longer has the same meaning in this greater universe." This impossible "greater" universe they refute.......is our own. |
