> If so, anything we can observe of seemingly another universe is in actuality part of our universe. Yes, this is how I would interpret the definition of THE U

> If so, anything we can observe of seemingly another universe is in actuality part of our universe. Yes, this is how I would interpret the definition of THE UNIVERSE. My personal interpretation of "another universe" would be something like- a multidimensional vacuum populated with matter/energy that currently exists from our inertial frame of reference, and there is nothing linking our own sparsely populated vacuum to this other universe. i.e. if you can observe it, then it's not a different universe. As Penrose states, this is merely an earlier version of the same universe, which existed before the Big Bang. Here is a different prediction, a timelapse, of the fate of our universe (as told by Brian Cox), which assumes the universe will continue expanding... https://youtu.be/uD4izuDMUQA?t=10 https://youtu.be/uD4izuDMUQA?t=10