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FUTURE OF THIS UNIVERSE Home

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The ultimate fate of the universe is a topic in Physical cosmology. Many possible fates are predicted by rival scientific theories, including futures of both finite and infinite duration. Once the notion that the universe started with a Big Bang became accepted by a consensus of scientists, the ultimate fate of the universe became a valid cosmological question, one depending upon the physical properties of the mass/energy in the universe, its average density, and the rate of expansion. By extension, the fate of the universe is also a significant theme in science fiction.

  • 1 Emerging scientific basis
    • 1.1 Theory
    • 1.2 Observation
    • 1.3 Big Bang and Steady state theories
    • 1.4 Cosmological constant
    • 1.5 Repulsive force
  • 2 Role of the shape of the universe
    • 2.1 Closed universe
    • 2.2 Open universe
  • 3 Theories about the end of universe
    • 3.1 Big Freeze or Heat Death
    • 3.2 Big Rip: Finite Lifespan
    • 3.3 Multiverse: no complete end
    • 3.4 Cosmic uncertainty
  • 4 Observational constraints on theories
  • 5 Life in a mortal universe
  • 6 The end of the universe in science fiction
  • 7 References


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