does our universe rotate?and if yes what happened to the point where velocity equal zero-center of it-?

Question

rotation can be different from the usual one (like a rotation around a different dimension)..second part is more important the the first...cbr is not really the best way to search for a rotation because it only covers the visible universe which is far smaller the the actual size of the universe..my real problem is with the fact that a rotation would imply that the universe has a center when observation tells us otherwise

Answer 1

the universe may rotate, but no one has proven it. it is only hypothetical. the universe seems to have no center and no edge (boundaryless). the real universe seems to be four-dimensional, but it may be something like the two-dimensional surface of a sphere. there is nothing "outside" the universe, not even space-time. to quote a dead writer, "there is no there, there". space-time, itself, originated in the big bang. the big bang was the whole universe, and everywhere in the universe was once the big bang.

read this:
http://www.sciam.com/print_version.cfm?articleID=0009F0CA-C523-1213-852383414B7F0147

Answer 2

It is unlikely that the universe as a whole does rotate.

The universe is permeated by a sea of radiation left over from the last scattering surface after the big bang. This radiation sea is called the cmbr (cosmic microwave background radiation) and recent experiments (WMAP and COBE) have mapped tiny fluctuations in the cmbr to a high degree. If the universe was rotating then evidence of the rotation would have shown up in the cmbr.

Note that absence of evidence is not necessarily evidence of absence, so we can't definitively say the universe does not rotate, but what we can do is constrain the rotation: if it is rotating then the rotation is very very extremely small and slow.


Hope this helps!
The Chicken

Answer 3

As far as we know, the Universe does not rotate. If the Universe did, then it would NOT be isotropic and homogeneous. Isotropic means that the universe looks the same in every direction that we (on Earth) look. Homogeneous means that the universe looks the same to every observer.

Like you said, if the Universe has a rotation, then depending on where you are, the Universe would look and feel different i.e. center of rotation is a very special spot. Currently, it is believed that there are no such special spot.

Answer 4

Actually, we would know if our universe is rotating. A beam of light would exibit a slightly helical path, like if you threw a ball in the air while riding a merry-go-round. We have experimentally verified that the universe is not, in fact, rotating.

Incidentally, if it were spinning, there are theoretical paths a spaceship could follow to arrive before it left, achieving time travel to the past.

If the universe were spinning, I believe it would not spin about any particular point, just as it is not expanding from any particular point.

Answer 5

The first part is easy, i expect the universe does rotate, all the solar systems and galaxies spin and act like a convection current.

I don't know much about the second part

Answer 6

Uh, are you able to instruct that detrimental infinity exists? And, are you attempting to construct a chain that asymptotes to 0, then calling that the middle? except for, for completeness, is 0 the middle of the imaginary numbers? The 0 on the middle of your math universe sounds like a black hollow.

Answer 7

A. Yes
B. Not much, maybe you get dizzy watching everyone else go round but that's about it.