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Natural Environment How Human History has been impacted by the environment, science, nature, geography, weather, and natural phenomena


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Old November 23rd, 2012, 10:00 AM   #41

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[QUOTE]Physical science has proven the Universe is finite.[QUOTE]

That's not the case, this is a disputed question, and apparently some recent evidence has tended to tip the balance of probability more toward it being infinite.
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Old November 23rd, 2012, 10:04 AM   #42

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Originally Posted by Linschoten View Post

That's not the case, this is a disputed question, and apparently some recent evidence has tended to tip the balance of probability more toward it being infinite.
What recent evidence is that?
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Old November 23rd, 2012, 10:25 AM   #43

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I'm afraid I get most of my impressions about the latest ideas in cosmology from television documentaries, and there was recently a very good one which showed that there is something about the way in which the galaxies are distributed that tends to show that the universe is not finite (i.e. can be imagined as being more or less like a sphere with nothing beyond the most distant galaxies). I couldn't begin to try to explain it here, but it all sounded very cogent. The matter is also touched on in this documentary, but I don't thinks it's the one that I was referring to (I'll have a further look when I have a moment):


I must say that I can't understand how the notion of an infinite universe can be reconciled with its supposed origin in the big bang.
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Old November 23rd, 2012, 10:33 AM   #44

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I know next to nothing about the universe apart from that it is expanding, but expanding into what. If the universe is finite where does it stop and whats on the other side. But can it really be infinite.

Simple answers would be appreciated
I've often pondered this question myself and when I do, my brain jumps its tracks
and cannot compute the answer. The science slice of my brain says there
has to be an alpha and omega, but I have no idea.
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Old November 23rd, 2012, 10:34 AM   #45

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Quote:
Originally Posted by Linschoten View Post
I'm afraid I get most of my impressions about the latest ideas in cosmology from television documentaries, and there was recently a very good one which showed that there is something about the way in which the galaxies are distributed that tends to show that the universe is not finite (i.e. can be imagined as being more or less like a sphere with nothing beyond the most distant galaxies). I couldn't begin to try to explain it here, but it all sounded very cogent. The matter is also touched on in this documentary, but I don't thinks it's the one that I was referring to (I'll have a further look when I have a moment):

Horizon: Infinity (BBC) - YouTube

I must say that I can't understand how the notion of an infinite universe can be reconciled with its supposed origin in the big bang.
Cheers. I'll have to check this vid out a bit later. Post that other one if you can find it.
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Old November 23rd, 2012, 10:44 AM   #46

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Originally Posted by tjadams View Post
I've often pondered this question myself and when I do, my brain jumps its tracks
and cannot compute the answer. The science slice of my brain says there
has to be an alpha and omega, but I have no idea.

It maybe simpler than you think. The universe is finite and on the other side there is infinity.
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Old November 23rd, 2012, 10:57 AM   #47

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It maybe simpler than you think. The universe is finite and on the other side there is infinity.
I'm not sure I understand what you are talking about. What other side?
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Old November 23rd, 2012, 11:02 AM   #48

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Quote:
Originally Posted by funakison View Post
It maybe simpler than you think. The universe is finite and on the other side there is infinity.

Who says there is another side?

Space might be curved. Consider if we lived in a 2D world and it was a mobius strip.

Click the image to open in full size.

I believe the answer lies in this video:




If anyone actually knows what the answer then they're a better wo/man than me.
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Old November 23rd, 2012, 12:42 PM   #49

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^As of the moment, I don't think anyone has a better answer than the other for these are all speculations.
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Old November 23rd, 2012, 01:59 PM   #50
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If by infinite you mean will the Universe expand forever. No!
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