M-theory is very deep as Hawkings goes in brain wave and neural impulses. In the gist of it: As a universe expands outward further and further from its central point, the expansion begins to slow until a sort of maximum expansion is reached and expansion ceases entirely before a contraction process occurs. He was difficult to grasp on the expansion process itself (at the atomic level) but also says that he sees no reason why two universes cannot converge at their edges and even "adopt" one another, or battle as two stars seem to whereby one would be consumed by the other.
while time is confined to any one universe so another would be unable to make any reference to another while separate - it doesn't go to say that what is between the two universes doesn't constitute space either. For then in all practicality it has to be space (maybe with different properties than our own universes internal vacuum atmosphere).
Then there is black hole theoretical construct that says all space is within a black hole of some sort, some are contained and stable, others aren't. And there is alot to support this idea as time is considered to operate normally within a black hole, and being inescapable due to gravitational forces, would more than account for such ideas as you mentioned, only there would exist space outside the black hole, we just wouldn't be able to reach it.
while time is confined to any one universe so another would be unable to make any reference to another while separate - it doesn't go to say that what is between the two universes doesn't constitute space either. For then in all practicality it has to be space (maybe with different properties than our own universes internal vacuum atmosphere).
Then there is black hole theoretical construct that says all space is within a black hole of some sort, some are contained and stable, others aren't. And there is alot to support this idea as time is considered to operate normally within a black hole, and being inescapable due to gravitational forces, would more than account for such ideas as you mentioned, only there would exist space outside the black hole, we just wouldn't be able to reach it.
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