[Lewis Thomson (OP)]

Gerry wrote into The Naked Scientists to present this theory.

"Imagine the cosmological expansion is the other side of the reality of contraction. One Universe's expansion is comprised on compaction in spacetime that will eventually Big Bang and the undulating pulsars of inflation/compaction is one of the same,,,,just  perspective  issue.  Question is has anybody considered this speculation of reality?,,,,,,seems like it would fit the words multiverse"

Discuss in the comments below...

[Kartazion]

AFAIK the contraction of the pulsar is made at the level of matter (neutron-quark-plasma) and not at the level of the space that it would reduce around it. In this case it would have been more accurate to speak of a black hole which contracts space-time by the gravitational collapse. Your question is whether the expansion causes the space on the other side to contract. Space would have to be a force to which it would exert an inverse pressure of contraction. It is true that it is difficult to stick a label to what could be the space of our universe with edges of finitude for example. What would he have on the other side? In conclusion, space as we know it relates to the matter that the big bang would have generated by energy. Clearly the convergence/expansion of matter (gravitational collapse) at the level of the big bang makes the space-time associated with it converge at the same time. The multiverse is the idea of ​​multiple universes. That it.

To check...

[Kartazion]

In a second step you have the Big Crunch designates a cosmological model somehow symmetrical to the Big Bang in which a closed universe ends up contracting after an expansion phase.