## Re: NASA images the most distant galaxy ever resolved

Originally Posted by

**not_Fritz_Argelander** PS This "big bang singularity at a point" thing is a real annoying conceptual blunder. Let me try a slightly different way to show that is mathematically wrong.

The expansion of the universe is simply a straight multiplication by a scale factor of all the distances. So if we look back in time we see the infinite universe at smaller and smaller scale factors. If you go back to when the universe was half as big and it is infinite now, it's still infinite, the density is just ~8 times greater if it is flat. Keep going back further and no matter what the scale factor is, call it a(t) where t is the age of the universe then (1/a(t)) * infinity is still infinity. There is no way to transition from a point singularity to an infinite universe.

I like it. Thanks for this explanation, not_Fritz!

I understand it, but regardless...

Mind. Blown.

Bryan

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