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2022-03-23: Where Is The Center of The Universe?

  • 08:48: No matter the geometry of our FLRW universe, all geodesics converge to a single point in the past, and end there.
  • 12:19: ... observe an expanding or contracting universe that looks exactly like a FLRW universe. ...
  • 13:04: So you can find a LemaĆ®tre-Tolman universe inside a greater FLRW universe.
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