Multiverse or Cyclic Universe ? Alan Guth vs Roger Penrose

Phil Halper (aka Skydivephil) · 147K views · 2021 · 1:38:29

Open on YouTube

Cosmology & astrophysicsother

Why the open web links it

Alan Guth and Roger Penrose debate the multiverse versus a cyclic universe model in a detailed and accessible discussion.

Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including naked-science.ru, usc.gal.