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-- The Universe is a Soccer Ball

The Universe is a Soccer Ball

http://www.space.com/scienceastrono...cer_031008.html

So much like Earth, no matter which direction we go in we'll end up going in circles

so if you get to the edge of the universe, do you just fall off?

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Originally posted by Yoepus so if you get to the edge of the universe, do you just fall off?

What edge?

c'mon...don't you remember the universe is flat? lol

You mean the world genius :P

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The real universe is more complex than a sheet of paper, of course.

WHAT?! REALLY?!

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The new study, led by Jean-Pierre Luminet of the Paris Observatory, suggests the universe is a dodecahedron -- a complex pattern of 12 pentagonal shapes -- with opposite faces connected up in pairs, like the opposite edges of the sheet of paper described above. A traveler exiting the dodecahedron through any face returns from the opposite face.

why did he decide that the universe is 12 sided? why not more sides? why not less? (honest question )

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Originally posted by nic01445 why did he decide that the universe is 12 sided? why not more sides? why not less? (honest question )

Because a 12-sided shape (dodecahedron) is the only shape that would correspond to the "cosmic microwave background" radiation data recieved.

why are they trying to apply 3 dimensional thought to something much more complex? i poop on those people.

How can they even come up with theorys like that... whats outside the universe then?.. wierd stuff.. ehh.

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Originally posted by LiquidX How can they even come up with theorys like that... whats outside the universe then?.. wierd stuff.. ehh.

There is nothing outside of the universe. I think you are envisioning the universe as being inside the soccer ball, which is not the case. As we travel across the universe, we are actually traversing the surface of each dodecahedron. Therefore the farther we travel in space, eventually we traverse the entire collection of dodecahedrons to arrive right back at where we started. So in as much as Earth is finite yet boundless, (we can never fall off any edge or reach a dead end) the universe itself is similarly curved to be finite yet boundless. The confusion comes from us being grounded in 3 dimensional thinking.

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Originally posted by ResonantDrag why are they trying to apply 3 dimensional thought to something much more complex? i poop on those people.

Well, this is just one theory out of many. If you browse the site, u can come accross other theories dealing with 5-Dimensions and other wild ideas...

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Originally posted by occrider There is nothing outside of the universe. I think you are envisioning the universe as being inside the soccer ball, which is not the case. As we travel across the universe, we are actually traversing the surface of each dodecahedron. Therefore the farther we travel in space, eventually we traverse the entire collection of dodecahedrons to arrive right back at where we started. So in as much as Earth is finite yet boundless, (we can never fall off any edge or reach a dead end) the universe itself is similarly curved to be finite yet boundless. The confusion comes from us being grounded in 3 dimensional thinking.

If so.. then the Big Bang is not really a bang? ( In terms of expanding ).. what about going up and down??.. how can you travel throuhg the surface still?

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Originally posted by occrider The confusion comes from us being grounded in 3 dimensional thinking.

Yea, it's kinda hard not to think in 3-D.

This theory makes sense.
But.
When i imagine something (the universe) as being finite, i feel that it must be enclosed in a larger finite object or maybe something else thats infinite...
does that make sense..?

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Originally posted by Tranex02 Yea, it's kinda hard not to think in 3-D. This theory makes sense. But. When i imagine something (the universe) as being finite, i feel that it must be enclosed in a larger finite object or maybe something else thats infinite... does that make sense..?

yeah it does.. I mean.. whats outside the univers.. or is there No Outside?

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Originally posted by LiquidX yeah it does.. I mean.. whats outside the univers.. or is there No Outside?

I would lean towards this answer ... that there is no outside.

I think the most widely accepted model for the cosmos, is that of a hypersphere, the three-dimensional surface of a four-dimensional ball, sort of similar to how an ordinary sphere is the two-dimensional surface of a three-dimensional ball. Thus we have an example of a space that is finite yet has no problematic boundary.

With respects to what is outside the universe ... well I'll paraphrase from a Scientific American Article: this question supposes that the ultimate physical reality must be a Euclidean space of some dimension. That is, it presumes that if space is a hypersphere, then that hypersphere must sit in a four-dimensional Euclidean space, allowing us to view it from the outside. Nature, however, need not cling to this notion. It would be perfectly acceptable for the universe to be a hypersphere and not be embedded in any higher-dimensional space. Therefore there is nothing necessarily outside the box. The reason why there is this illusion of infinity is because light can be wrapped all the way around space, perhaps more than once--creating multiple images of each galaxy. Kind of similar to how in a fun house, you gain the perception of endless corridors through all the reflected mirrors.

Hope that made some sort of sense ... needless to say, this is all hypothetical, but that's what the evidence seems to suggest.

What makes people so sure that there is nothing outside of the big bang. The posibility that the big bang occured inside a cluster of existing universe is not discussed is it?

I mean the way I see it is that we are making the same age old mistake all over again. During Keplers time it was thought that the solar system was the entire universe. Then we thought the Milkey way was the Entire universe. Now we're saying no the universe is everything within the big band and it's surounding radiation.

One thing that I disklike about the Big Bang Theory is that it's a good weapon in the hands of religion, wherby stating that since the universe has had a birth it therefore must have an end too, as staed in Genesis. There you have it folks. Scientific proof.

We're playing with fire here. gotta be more careful with this whole thing.

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Originally posted by Illusion What makes people so sure that there is nothing outside of the big bang. The posibility that the big bang occured inside a cluster of existing universe is not discussed is it? I mean the way I see it is that we are making the same age old mistake all over again. During Keplers time it was thought that the solar system was the entire universe. Then we thought the Milkey way was the Entire universe. Now we're saying no the universe is everything within the big band and it's surounding radiation. One thing that I disklike about the Big Bang Theory is that it's a good weapon in the hands of religion, wherby stating that since the universe has had a birth it therefore must have an end too, as staed in Genesis. There you have it folks. Scientific proof. We're playing with fire here. gotta be more careful with this whole thing.

Who's playing with fire and limiting ourselves to anything? Science can only utilize the tools with which we have to come up with theories to describe the universe. There is no such thing as an infallible theory and there is never any presumption as such. The copernican model was initially incorrect as well until Keplar revised it ... does that mean that we shouldn't adopt theories because they could be wrong? No, we adopt theories until they are proven wrong. Therefore, it is not incorrect to believe that we live in a closed, finite universe because so far, that is what the evidence seems to indicate. It's what we have observed so far, and that is what logic seems to indicate.

The big bang happened once, so who says it has not happened before?? We thort that we was special and life could only happen on this planet, but now we know we are not and the chances of life being on other planets are probley the same chance as the sun rising tomorrow morning, which also makes all religions Wrong, God did not make us, its just what happens when the coonditions are right for life to grow.

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