What exists beyond the Universe?

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The discussion explores the concept of what lies beyond the Universe, questioning if it exists within a larger medium. It suggests that the Universe resembles a "bubble" and raises the idea of whether this bubble is expanding in a preexisting medium. The impossibility of viewing the Universe from outside its boundaries is emphasized, as it is deemed illogical without supernatural abilities. Assumptions about the nature of this hypothetical medium influence what one might perceive if they could escape the Universe. Ultimately, the conversation delves into the speculative nature of understanding the Universe's boundaries and what lies beyond them.
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I'm sure this is a tired question but I'm curious...if I were able to escape the boundary of the Universe, what would I see? The Universe supposedly resembles a "bubble." So...this cosmic bubble would have to exist within a larger medium, right?
 
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The universe, finite or not, is unbounded. Absent supernatural powers, it is impossible [and illogical] to view the universe from 'outside' the universe.
 
Mind Bender said:
I'm sure this is a tired question but I'm curious...if I were able to escape the boundary of the Universe, what would I see? The Universe supposedly resembles a "bubble." So...this cosmic bubble would have to exist within a larger medium, right?
You might assume that our universe is a wave complex bounded by a wave shell (a "bubble") that's expanding in a preexisting medium. You might also make assumptions about the properties of your assumed preexisting medium -- and what you would 'see' if you were "able to escape the boundary of the Universe", ie., if you could view things from outside the "bubble", would be based on those assumptions ... imo.
 

Thread 'Estimates — True Size of the Universe?'

I always thought it was odd that we know dark energy expands our universe, and that we know it has been increasing over time, yet no one ever expressed a "true" size of the universe (not "observable" universe, the ENTIRE universe) by just reversing the process of expansion based on our understanding of its rate through history, to the point where everything would've been in an extremely small region. The more I've looked into it recently, I've come to find that it is due to that "inflation"...
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