Finite vs Infinite: Does Size Matter in the Universe?

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Does it matter if the universe is finite or infinite in size? Does it make much difference?
 
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Well, does it matter if protons are made of quarks? Does it matter that black holes exist in the center of galaxies? Almost certainly not in any sort of day-to-day way. Knowledge about the universe isn't a means. It's an end. A good goal, in and of itself.
 

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