the problem is the universe is four-dimensional, but if you can imagine a two-dimensional version then it seems to be something like the surface of a sphere. the universe is finite in size yet has no center and no edge. nothing, not even space-time seems to exist "outside" the universe.
incidentally, within the first tiny fraction of a second, the universe became very much larger within an even tinier fraction of a second. this is called the inflationary phase. at the end of this super-fast expansion, the universe was about one meter across.
http://www.sciam.com/print_version.cfm?articleID=0009F0CA-C523-1213-852383414B7F0147
http://universeadventure.org/
http://www.astro.ucla.edu/~wright/cosmo_01.htm
http://en.wikipedia.org/wiki/Physical_cosmology
2006-10-22 06:21:28
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answer #1
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answered by warm soapy water 5
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Actually we don't even know enough about the shape of the Universe to affirm that the Universe is infinite or not.
Suppose we put an ant on a infinite sheet of paper. The ant is short-sighted and sees only that close to him his universe look pretty flat. If he starts walking he will never meet a boundary and never come back to the same place again. The two-dimensional plane is infinite and without bounds.
Next put the ant on a large sphere. Again our ant can not see far enough to observe any curvature. If he starts walking in one direction he will never come to a boundary, but this time he can make a roundtrip. The spherical universe is unbounded but finite.
We are in the same position as the ant, but in three dimensions. Locally our Universe seems flat and unbounded, but we don't know if we are in the 3 dimensional equivalent of the plane or the sphere. In the first case the Universe would be infinite, in the second place it would be finite.
Now the fun and speculation starts....
Even weirder shapes are possible. In two dimensions our ant has a third possibility, a universe shaped as a torus or a donut. We can make a torus by taking a sheet of paper, roll it up in a cylinder and then glue the two open ends together.
The torus also has a three dimensional equivalent. Take a cube and imagine the following rule: everytime we leave the cube-universe through a side, we immediately enter it again to the side opposite. It is as if the opposing sides are glued together.
Strange? Yes, but not excluded...
My current favourite shape for the Universe is the following. Think of *two* three dimensional spheres. We live inside one of the spheres. A spaceship that flies to the boundary of one sphere immediately reappears on the corresponding point on the boundary of the other sphere and continues its voyage there. It is as if the boundaries of the two spheres are somehow glued together.
Neat, isn't it?
2006-10-25 16:17:29
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answer #2
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answered by cordefr 7
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To know/see the exact shape of anything you have to view it from outside. You can not sit inside the room & say what is the shape of the building. You can surely make some guess or assumptions which might be close to the actual facts. I would not say that I'am correct, but my assumption is that the universe would be somewhat spherical in shape.We are a very small part of the solar system, which in turn is not even in the centre of the Galaxy(Milky way).There might be hundreds of such galaxies, some bigger-some smaller. The dimensions are increasing uniformly throughout(entropy), but still the universe is existing,this is possible only if the expansion is same in all directions.
2006-10-22 07:18:09
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answer #3
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answered by SIMI S 1
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It is impossible for us to visualise the precise size of the univese.Not only that we cannot even imagine how big it may be. Begin from the earth we live in and you will begin to know why this is so.We are a part of the solar system but an infinitsemil one.The solar system is also part of the Milky way but an insignificant one and not even at its centre but cast away at one end of it. Other suns of the Milky way are vastly bigger than our sun and also have their own solar systems. The vast distance that separate us from the other suns can be estimated from the fact that our next door neighbourer Alpha Centauri is 25mn.mn milesaway.Even if we were to run at the speed of light we may take 4.17 years to reach our neighbourer's door. Even this nearby environs of ours it a lac light years across.And yet it is only a tiny part of a still larger system. There are millions and millions of galaxies beyound these environs. May all these galaxies make a part of a still unimaginably largeer system. With all these problems perhaps it might have been possible to measure the universe but the things is expanding. With the passage of time we tend to put more distance between us.
2006-10-24 12:20:59
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answer #4
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answered by Prabhakar G 6
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Dimensions of this universe nobody knows but the shape, it is just like a drop of water when falling down.
2006-10-22 17:08:52
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answer #5
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answered by Anonymous
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The human body is not a finely crafted piece of machinery, its a horror story. You've got redundancies, back tracking, blind spots, you eat and breath through the same tube as thousands of children learn the hard way every year. DNA evolved from simpler molecules, RNA was probably a predecessor, and as for the laws and constants well, we don't what you might get if you changed them, your premise is purely speculative. If your lacking in scientific knowledge, pick up a damn book other than the bible. The answer to your question is not always "god did it", the only thing you have demonstrated is a failure of imagination
2016-03-28 04:00:01
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answer #6
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answered by Anonymous
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the universe doesn't have a specific shape. if we break up everything to the minutest matter, that would be the basic formative substance of the universe. it is a mosaic from which everything evolved due to gravitational forces-push and pull between each particle forcing them to rotate, revolve, interact and emanate energy as waves-when energy is exhausted, the rotation dies out and the particle merges in the mosaic. it is a continuous and never ending process. there must be a specific centre for the universe but no specific boundary. it is ever expanding and ever contracting. at the most, assume the universe to be a paper of sand particles, all in relative rotation and revolution, all at once.
2006-10-23 00:46:40
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answer #7
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answered by Anonymous
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No one has been able to tell the exact or the approximate shape
of the universe so far.Although many models of the universe have been proposed by the scientists , at present it is impossible to know the shape of universe.At present, we can view only the visible universe that constitutes the objects whose light reaches the earth. There are stars that are so far away that their light will reach here after the earth gets destroyed. So we can't see that portion of universe where such stars lie. which means that portion of universe is invisible to us at present. So we can't predict the shape of the universe.
2006-10-22 04:42:23
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answer #8
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answered by Rahul 2
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Muthu,Almost a year ago I went to check dimension's of universe it was quite beautiful and exactly resembled Jennifer Lopez but you know I went there again last week,I was so surprised that universe had a sex change and now it looks like tom cruise!!!!!!!oh baba what to do with this universe!! I will send you the exact sizes and shapes. Cheers
2006-10-23 03:10:04
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answer #9
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answered by toppopsy 3
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Hi, Muthuraman. You mean the exact shape of the universe! Sorry. There are still so many things about the universe are unexplored and undiscovered. The mystery of the universe is so deep and surprising that even hundreds of future generations may not understand its exact dimension. Recently the astronomers have found three plutons. Our navagrahas (planets) have become twelve. We are yet to know about innumerable stars that are perplexing us and challenging our knowledge of science. When the boundaries of the universe are not known, it is highly premature to think about the shape of the universe. But my thanks are due to you for such a thought-provoking question. A good question indeed!
2006-10-22 10:25:53
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answer #10
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answered by SRIRANGAM G 4
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