The universe that we can see is so large that it might as well be infinite. Our little solar system is like a grain of sand by comparison. That part of the universe that we can't see may actually be infinite, but we might never know.
https://www.youtube.com/watch?v=m2YJ7aR25P0
https://www.youtube.com/watch?v=m2YJ7aR25P0
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