The Big Bang marks the birth of the Universe, right? The physicists brave enough to look beyond it aren’t so sure.
  • Pons_Aelius@kbin.social
    5·
    11 months 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.