text: The Word Universe dose not only means `celestial bodies' present in the space. actually, universe is thought off as empty space and the celestial bodies togather.Big bang theory just gives how the celestial bodies have been diverging.Convergence also exists in this universe as in black holes.Hence divergence and convergence are just dual nature of the Nature.This phenomenea of divegence & convergence have been going on  in space since infinite time and will be going on upto infinity.