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

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SUMMARY

The discussion centers on the feasibility of multi-universes and infinite space within the framework of Big Bang theory. Participants highlight that the concept of overlapping universes introduces significant challenges, particularly regarding the Copernican principle and the mathematical context of space, time, and matter. The consensus indicates that while these ideas are mathematically intriguing, they face substantial obstacles in terms of observable reality and causal influences within the universe.

PREREQUISITES
  • Understanding of Big Bang theory and its implications on cosmic expansion
  • Familiarity with the Copernican principle in astrophysics
  • Basic knowledge of mathematical modeling in physics
  • Awareness of observational versus theoretical approaches in astrophysics
NEXT STEPS
  • Research the implications of the Copernican principle on cosmological models
  • Explore mathematical frameworks used in astrophysics for modeling space and time
  • Investigate the relationship between observational data and theoretical predictions in cosmology
  • Learn about alternative theories to Big Bang theory, such as the Steady State theory
USEFUL FOR

Astrophysicists, cosmologists, and anyone interested in the theoretical implications of the Big Bang theory and the concept of multi-universes.

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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