Theoretical physicists Paul Steinhardt and Neil Turok think so and discuss their cosmology in Endless Universe, in which they theorize that our universe was created by two other universes bumping uglies. Okay, that was my interpretation…

What they actual posit is the universe was ” caused by gravity, possibly in the form of ‘dark matter,’ leaking from one universe into the other; and that the collisions repeat in a never-ending cycle; each time replacing old matter with new galaxies, stars, and planets…” This Cyclical Universe idea isn’t new, of course — after all, all of this has happened before…

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