The Big Bang Theory

The Big bang theory is the most true one.

It says that the universe was  a dot, mathematical dot, which has no mass and no volume.

Then it explode and all the universe come from it.

they knew that this is right when they notive that galaxies R moving in Light-speed in oposite directions.

The scientists say that at at time, when the energy of explosion vanish, the univese will collapse again, and it will return to its initial-dot form.