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staticelf
on March 31, 2016
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Can a Living Creature Be as Big as a Galaxy?
Is there any reason to think that there exist a limit on how large or small things can be?
oafitupa
on March 31, 2016
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The Universe is expanding, and some parts will never interact with other parts, because not even light could make the trip. One could say they are now in separate universes. So that's one limit I can think of.
staticelf
on April 1, 2016
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Yeah but that doesn't mean they don't exist? Our universe could be a drop in an ocean of a real multiverse.
tom-lord
on March 31, 2016
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No one really knows for sure, but....
https://en.wikipedia.org/wiki/Planck_length
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