h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

Can anyone answer this?

What difference would it make to the universe if the singularity at the centre of the 'Big Bang' was spinning very fast, say like those gyroscope rides rotating in three directions, and matter was thrown out in an arc, rather than at a tangent, would this explain why everything in the universe spins around everything else??? I have never seen a reference to a spinning Big Bang.

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Traveller in Time answering
"Before the first singularity there was absolutely nothing. The was no time, there was no matter there was nothing. So there was no reference to make anything spinning or static. "

Ah, but once there *was* something, like the singularity, then there was something to spin, but only with reference to itself.
Having said that, it all depends on which theory you go with since spin doesn't necessarily have to be in the 3 or 4 dimensions we know.

This is the problem and could be the answer (since no one is really knows). Lets assume that the singularity was spinning, in all directions, and that matter streamed off in an arc rather than a straight line (I know gravity should play a part, but since gravity wouldn't have existed at that point in time & neither did time?, matter could go in any direction) Would this not give rise to 1. A curved universe 2. Why galaxies, solar systems. planets, asteroids etc rotate 3. Once an object is set in motion in space, it would stay in that motion, with only slight modification due to gravity and a few other weaker Universal effects.

it is interesting,some people said that are turtles holding the Earth.

Traveller in Time confirming
"But that is right, the turtles are in a dance with many others, carrying the earth and all the other planets in circles as if we are spinning in a galaxy .

>Lets assume that the singularity was spinning, in all directions,

A singularity is either a mass or a spin, it should not be both. 'Lets assume that the singularity is a spinning motion, in all directions, '

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Well, the universe doesn´t have a center as such. But if it did and the matter that was created would be spinning, we would probably expect everything to be spinning in the same direction. Which as far as I know it isn´t. The reason why stuff spins, is probably that all it takes is something to be moving and then deflected by gravity to cause a rotation.

I may be way out my depth here, but I'm pretty sure they've decided that the universe isn't spinning. The whole equivalence thing only works for objects in an inertial frame of reference, meaning they are moving at a constant velocity. A spinning object is accelerating, and in a spinning universe different objects would have different accelerations, so you should be able to detect it.

Also it might violate the principle of rotational symmetry, which states that the laws of physics should look the same from all directions. If the universe were spinning you would probably expect to see slight differences in the apparent behaviour of things in the clockwise and anti-clockwise (for want of a better description) directions, which should again be detectable. Or something

There must have been some outside influence at the Big Bang mustn't there? Otherwise the universe would be just an ever expanding ball of energy - a single balloon, wouldn't it?
I like the idea of the Creator lighting the blue touchpaper and the presence of his matchstick being just enough to disturb the Big Bang's symmetry and to give the universe we perceive.

Well, there might have been some flaws in the initial universe which is the reason stuff clumped together. Scientists talk about cosmic strings(different to super strings) which is like the lines you have when ice is created.

Going back to a spinning singularity, if it were spinning through several different 'dimensions' or 'universes', we know there is not enough 'matter' in this universe (hence the'dark matter' theory), it could be spread across several universes. i.e. if you weigh the 'matter' in our universe there's not enough BUT weigh all the universes together there's the missing 'matter'.

If the boundaries between each universe is quite thin (maybe only highly charged and fast particles can cross over), then you could have the 'dark matter' you need. I.E. not actually in our universe (that's why it can't be measured or seen) but does affect our universe, as 'matter' in ours would affect others. 'Universal Interference'

I seem to remember one theory using something similar to explain why gravity was so incredibly weak, when compared to the other forces. Soemthing about the force being shared between many dimensions, and only a little bit in ours.

If it worked work the other way round the matter in the other universe must be acting directly on matter in this universe, as does dark matter, through its gravity. That makes it detectable and measurable, even if we can't see it.

Fudge: now that theory sounds more interesting. There is the multiple worlds interpretation(look up David Deutsch) of quantum mechanics. The idea that the reason why an electron in a single slit experiment seems to be able to interfere with itself, is because it interferes with electrons in other worlds. And if the gravity of those electrons are felt, it might mean you get more gravity than you would expect a la dark matter.

I dissagree with the claim that the singularity is a mass or a spinning force. By Einstein's formula E=mc^2 (energy= mass times the speed of light squared), the theory that I have come up with is that singularity is energy. Enough energy to create the universe in a sort of reversed exothermic reaction (i.e. energy creating matter instead of matter releasing energy.

P.S: i'm 16