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A comment on Why is there a normal galaxy sitting at the edge of the Universe?. Parent comment

Re:Why is there a normal galaxy sitting at the edge of the U... by thaumasiotes on Wednesday September 09, 2020 @03:56PM (#24425228)
> More space appeared for it to exist in.

This is a very different idea from "it's the same amount of space, but bigger", which is what I understand by the claim that a scale factor is increasing.

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Re:Why is there a normal galaxy sitting at the edge of the U... by ddevault on Wednesday September 09, 2020 @04:01PM (#24425277)
Well, space isn't a tangible (and finite) thing. It's the manifold in which the universe exists. Increasing the scale factor doesn't "stretch" space, it just makes... more of it.
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