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2022-04-20: Does the Universe Create Itself?

  • 15:24: ... energy. If you just consider the positive effect of gravity, then the spatial geometry dictates the final fate. But dark energy screws everything up. The ...

2016-04-20: Why the Universe Needs Dark Energy

  • 02:53: But the spatial geometry of the universe at a fixed instant in time can be flat or curved.
  • 03:05: "k equals plus 1" means the universe has a positive-curvature spatial geometry.
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