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Originally Posted by Yakk
Take a balloon. Make it larger and larger.
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Quote:
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Originally Posted by Yakk
Now imagine it was so flat, it extended off to infinity in all directions. Perfectly flat, not just 'close to flat'. Locally, a really really big balloon and a infinitely flat plane look identical, so locally everything looks the same.
A flat plane is the surface of a balloon grown to infinite size. =)
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You can't just chuck infinity in, the models of the universe described only work for finite universes, this is the way the big bang theory works to explain the nature of our universe - I ain't saying it's definately case but it works better than just supposing the universe is infinate because it's so big