Big bang theory is the fresh one which tries to give the right picture of this vast creation.?

To see the "center" you'd have to be able to visualize a four dimensional sphere. General relativity showed su that we live on the surface of that sphere. As that sphere expands, every point on the surface of the sphere sees every other point on the surface moving away from it. Just like if you painted dots on an under inflated balloon and then began to inflate it. All the dots would move away from each other.

The net result is that there is no center of the universe in a spatial sense, nor is there one in a temporal sense. It only exists in the this space-time pciture of the universe, and it is not an accessible point to us. So it really makes no sense to talk about the center of the universe.

The universe isn't actually expanding at all. The idea that it does comes from misinterpreting galactic redshifts as a doppler effect when they are actually a scattering effect. The galaxies are not generally receding from each other at all. Their light simply loses energy through it's interaction with the intergalactic medium... http://www.newtonphysics.on.ca/universe/

If the doppler effect was responsible for cosmological redshifts, as well as stretching out the wavelengths of light, it would also stretch out the light curves of quasars (their oscillation in luminance), but we find this is not the case: http://phys.org/news190027752.html

This documentary may enlighten you:

http://www.youtube.com/watch?v=1yTfRy0LTD0&playnex...

There is no center to the universe. Every point in the universe looks like the center of the universe, and none of them are.

I agree with nyphdinmd. The real analogy is not the balloon expanding into empty space, but the balloon is creating extra balloon-space between any two points on the balloon's surface.