At the Big Bang, when everything was close together, why did it not "collide", violating Planck length or Pauli Exclusion Principle?
Why was the Cosmic Microwave Background (CMB) released at a blackbody temperature of 3000K rather than 30,000K?
Why do cosmologists assume that inflation began shortly after the Big Bang, rather than at the exact start?
What parameters of the Big Bang model will have to be adjusted to account for JWST's observations of highly redshifted galaxies?
How could universe inflate itself out of the very dense and curved early spacetime? Could it happen in a black hole too?
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