Quote:
Originally Posted by Redshift
So if the big bang originated from a singular point then surely there must still be a point that could be referenced as the centre of the universe and an outer frontier boundary.
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The best visual explanation for the expansion of the universe is that of an expanding baloon. Draw some galaxies on one and blow it up. Everything moves away from everything else, but no point on the surface of the baloon is at the centre.
Even though the baloon is a 3D object this is still only a 2D model as we are only considering the 2D surface of the baloon.
Transalating this to the 3D physical universe we can see is what does my head in.
Michael