joybeth9694 joybeth9694
  • 27-11-2019
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At about what time after the Big Bang did the universe pass through the transition from radiation-dominated to a matter-dominated universe?

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lauramitchell2375 lauramitchell2375
  • 27-11-2019

Answer: Between about 47,000 years and 9.8 billion years after the Big Bang, the energy density of matter exceeded both the energy density of radiation and the vacuum energy density.

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