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From your perspective, you are literally the center of the universe. That applies to everyone. From my perspective, I am the center of the universe. So don't let anybody ever tell you you're not the center of the universe.
Also, if the universe is infinitely large that means an infinite number of universes exist.
>the universe is ~13.5 billion years old
>this means the observable universe is ~13.5 billion lightyears because we cannot possibly see light from things further than that since there has not been enough time for it to reach us
>a galaxy 30 billion lightyears away from the Milky Way would also have an observable universe of ~13.5 billion lightyears, meaning we could never see them and they could never see us (at least for the next 16.5 billion years)
>technically we both exist in the same universe, but we are in entirely different observable universes that will never interact during our lifetime - therefore, they are different universes for all intents and purposes
>if you travel another 30 billion lightyears from that galaxy so you are 30 billion lightyears from it and 60 billion lightyears from the Milky Way, you now have three different universes
>so on and so forth until infinity
>since matter only has a finite number of combinations it can possibly take, that means if spacetime is infinite it's possibly that 100 billion light years away there is another you posting on another 4chan
