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Universe may have contracted before the Big Bang, study suggests

Livescience.com — August 31, 2024, 11:00 PM UTC

Summary: A new study suggests the universe may have undergone a contraction phase before the Big Bang, proposing a "bouncing" cosmology model. Researchers hypothesize that dark matter could consist of primordial black holes formed during this contraction. Approximately 80% of the universe's matter is dark matter, which remains unidentified. Future gravitational wave observatories may detect waves from black hole formations, potentially confirming this theory.

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Timeline:

  1. [6.1]
    AMS-02 investigates dark matter's role in the Universe (nasa.gov)
    5d 13h

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  2. [4.4]
    Study suggests universe existed before the Big Bang (in.mashable.com)
    6d 16h
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  3. [2.5]
    Universe may face 'Big Crunch' as expansion weakens (Daily Mail)
    6d 21h
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  4. [5.7]
    Big Bang theory evolves beyond singular point concept (npr.org)
    7d 6h

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  5. [4.7]
    Gravitational waves may detect primordial black holes in solar system (phys.org)
    7d 11h
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  6. [4.9]
    Study suggests universe contracted before Big Bang, forming black holes (Business Standard)
    7d 14h
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  7. [3.2]
    Universe may have contracted before the Big Bang (India.com)
    7d 16h
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  8. [4.0]
    Universe may have contracted before the Big Bang, study finds (News18)
    7d 20h
    Source
  9. [4.9]
    Gravitational waves may detect primordial black holes near Earth (universetoday.com)
    8d 10h
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  10. [5.2]
    Machine learning improves precision of key cosmological parameters (universetoday.com)
    9d 4h

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  11. [4.7]
    Scientists edge closer to detecting elusive dark matter (phys.org)
    9d 11h
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