this post was submitted on 31 Jul 2023
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Astronomy

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[–] [email protected] 2 points 1 year ago (1 children)

This isn’t a new theory at all, this was first proposed not long after the BBT was.

[–] [email protected] 5 points 1 year ago

Exactly. Before dark matter/energy were discovered to be accelerating expansion. There was a prevailing/plausible theory that the universe may endlessly cycle through Singularity > Big bang > Expansion > Contraction > Singularity > Big bang etc due to gravity.