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What do we mean by the size of the universe? Exactly that. We mean what we say. Isn't it true that the concept of length exists only within the universe? Since the universe is everything, yes. But that doesn't stop us talking about the size of the universe. Are we simply measuring the observable universe, that is to say, the spatial limits of our ...


It is difficult to say. When you say "The size of the Universe" some people think about the observable Universe, while others, like me, think about the entire Universe, beyond just what we can observe. When it comes to length in the entire Universe, it's useless. the Universe is infinite so no matter what measurement we create, it will be insufficient to ...

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