this post was submitted on 31 Jul 2023
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Astronomy

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Why the Big Bang might not have been the beginning of our Universe (www.sciencefocus.com)
submitted 2 years ago by btaf45@lemmy.world to c/astronomy@mander.xyz
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[–] Pons_Aelius@kbin.social 2 points 2 years 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.