Okay a balloon expands in the atmosphere around it right , so if space ;some say ; is still expanding , what is it expanding in......What is on the other side of space ? What happens if you were able to get to the edge of space . I dont think you can get to the edge and there be nothing on the other side , there has to be , a wall needs two sides . The edge of space cant bring you back to the first like some time warp can it . So what is past the edge of space .
2007-02-18 00:40:44 · 6 answers · asked by cm 1 in Science & Mathematics ➔ Astronomy & Space
At the edge of space, there is nothing. That doesn't mean empty space. it means there is nothing. It simply ceases to exist.
2007-02-18 00:51:46 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Good question.
The Universe appears to be infinite, so it does not actually have an edge. Why do we think that the Universe is infinite? Well, as you may be aware, the speed of light is finite and so too is the age of the Universe. As we look deeper into space, we see objects as they were when they emitted light in the past. For instance, a galaxy that is a billion light-years away appears to us as it was a billion years ago. If we look deep enough, we can see light that was emitted very soon after the Big Bang. We call this light the Cosmic Microwave Background (CMB). The variations of this radiation over the sky can tell us about the properties of the Universe. In particular, unless we are grossly misinterpretting the information, the CMB indicates in no uncertain terms that the Universe must be infinite.
So if the Universe is infinite and hence fills all of 3D space, then where can it possibly expand to? Well, consider a 1D analogy. Take an elastic band of length L. You can pull on it and stretch it to a new length rL, where r>1 is a dimensionless parameter representing the expansion. Now consider two points on the band of relative separation X. After you stretch the band, their separation is now rX, independent of their distance from the ends of the band. Thus, you can see that even is L is quite large, there will be no effect on the local expansion of X. Even if the total length of the band is infinite, local expansion through the parameter r is still well-defined.
2007-02-18 06:42:53 · answer #2 · answered by Matthew S 2 · 0⤊ 0⤋
It is space and time itself that stops at the 'edge' of the universe. There is no other side of the edge. It is not filling into a void. It is in fact being created as the universe expands. Strange stuff...
2007-02-18 01:48:53 · answer #3 · answered by orlandobillybob 6 · 0⤊ 0⤋
There is no edge of space. It is hard to describe with out the equations, but it is not as if there is an end point that you can fly to. You need to get out of the habit of thinking about the sky 2D, it is a great deal more complex then that.
B
2007-02-18 01:30:19 · answer #4 · answered by Bacchus 5 · 1⤊ 0⤋
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2016-10-15 22:32:04 · answer #5 · answered by ? 4 · 0⤊ 0⤋
the next dimension just as the 2D explorers found the earth was not flat and 2D but a sphere and 3D.
The so called other side to Space is not 3D but it is the fouth dimension.
here is an analogy:(again) to help you think in the fourth dimension.
There are beings called flatlanders who live in a 2 dimension world that is a flat plane. (as a table top).
They can move foreward and back, left and right, every direction except up and down because that is a dimension that doesn't exist to them.
I can reach down and pick them up out of their world and they cannot even point in my direction.
Now think of a being in the fourth dimension able to do that to us in our 3 dimensional world.
2007-02-18 00:54:00 · answer #6 · answered by Father Ted 5 · 0⤊ 1⤋