Astronomy   View all facts   Glossary   Help
physical phenomena > event > era > Big Bang era > radiation era
Next Big Bang era: Big bang crossover effect    Up: Big Bang era    Previous Big Bang era: Planck era   

radiation era comparison table
Subject has start time has definition is preceded by is followed by is a kind of has duration has temperature
Big Bang erarelative to the Big BangA theoretical era postulated to have occurred after the Big Bang. They are in order :
  1. Planck era
  2. hadron era
  3. inflation era
  4. lepton era
  5. nucleosynthetic era
  6. radiation era
  7. matter era
  era  
radiation era10 s after Big BangThe Big Bang era when the temperature had dropped to 109K and the rate of electron-positron pair annihilation exceeded the rate of their production, leaving radiation the dominant constituent of the universe.nucleosynthetic eramatter eraBig Bang era1012 s109K

Next Big Bang era: Big bang crossover effect    Up: Big Bang era    Previous Big Bang era: Planck era