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Does physics ever get vague?
(lemmy.world)
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this post was submitted on 05 Oct 2023
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NASA says the universe is flat.
It's impossible to measure precisely enough to know for sure that it is completely flat, or even saddle shaped (both being infinite in size). The generally accepted understanding by cosmologists is that it is infinite. But just due to the nature of measurement and tools we can't completely rule out a finite universe. However we do know based on the measurements that it is really really... really really really big if it's not infinite.