"An Infinitely Expanding Space" and it's meaning in modern physics

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Originally Posted by Maartenn100 (Post 9412458) To answer the question in the topic title: Have you ever found an expending thing without borders with no borders? it's unbelieveble that even smart people are accepting such description of reality. Even the scientist does not understand the idea of a limitless thing expanding. That's not scientific. Something you can only describe with analogies? (balloons. Bread) "it's an expanding point" Does it have bounderies? "nope" "do you really believe that you can grasp what you are trying to tell here? But that is the very operational (in observable terms) definition of something small, expanding. An expanding point has an incrreasing radius. This radius should be definable at every moment in time. But now: it's an expanding point with an increasing radius, but it is unlimited?! Why do everyone except these contradictions in the terms as being a discription of our universe. Such description is unscientific.

I have asked the mods to move to it and responses to it here because it is at best tangentially related to the topic of Is A Universe From nothing scientifically controversial?.

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