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Is the size of the universe finite or infinite? Scientists tell us the universe is expanding.If the size of the universe at any moment is finite, into what does it expand? Does that "nothingness" into which it expands form part of the universe too, or is it something exterior to the universe?

You are right that the universe is expanding...

http://hubpages.com/hub/Our-Universe-is-Expanding

But some scientists believe there are more than one universe...

http://hubpages.com/hub/Our-Universe-Ma … Multiversethe universe is finite, there are several arguments for this. one being that if the universe was infinite there would be an infinite number of stars to light up our night skys and our nights would in fact be light. The fact that our universe is expanding is also another suggestion that is is in fact finite, how can something that is infinite in size grow larger? we know our universe is expanding from a law called the doppler effect, which effects the light passing us from distant galaxies.

We couldn't even explorer an atom. So our information on Universe in just nothing. Universe is Infinite or finite, these are just theories, not a proven fact. And it would always be a theory. (maybe)

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