Are Multi Universes and Infinite Space Possible with Big Bang Theory?

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Discussion Overview

The discussion revolves around the concepts of multi universes and the nature of infinite space in relation to the Big Bang theory. Participants explore the implications of these ideas on the understanding of cosmology, particularly whether multiple Big Bangs can coexist and how they might interact within an infinite spatial framework.

Discussion Character

  • Exploratory, Debate/contested, Conceptual clarification

Main Points Raised

  • One participant questions whether multi universes might overlap and if there could be limitless space where unsynchronized Big Bangs occur simultaneously throughout time.
  • Another participant argues that the idea of overlapping multi universes imposes a background structure and introduces non-causal influences, which complicates the observable universe's understanding.
  • A different viewpoint suggests that the issues raised are primarily mathematical and do not necessarily invalidate the concepts being discussed.
  • It is noted that while mathematical solutions are heavily relied upon in astrophysics, observational data tends to be less reliable.

Areas of Agreement / Disagreement

Participants express differing views on the implications of multi universes and infinite space concerning the Big Bang theory, indicating that multiple competing perspectives remain without a clear consensus.

Contextual Notes

The discussion highlights the reliance on mathematical frameworks in astrophysics and the potential limitations of observational data in validating theoretical concepts.

David_777
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Might multi universes overlap? Might there be limitless space to infinity in which Big Bangs unsynchronized in time overlap and have done so through eternity past? What is it about Big Bang theory that makes impossible the inifinite of all space versus the limit of that space which has expanded from the Big Bang? Why can't a Big Bang occur with matter and space outside it's expanding sphere? Can such matter meet?


my first post here, hi out there
...David
 
Space news on Phys.org
Hi Dave! Welcome to PF. The problem with that idea is it imposes a background over which it is overlayed. A bigger problem is it introduces a non-casual influence over the observable universe. And that introduces the even bigger problem of explaining how the 'edges' overlap without violating the Copernican principle.
 
I would tend to think those issues are mainly a matter of the mathematical context space/time/matter is described as though doesn't necessarily invalidate the ideas.

...David
 
They are mainly mathematical matters, but that is the most pressing issue in astrophysics. We rely much more heavily on mathematical solutions than observation - which is almost always less reliable.
 

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