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matter era comparison table
Subject has start time has definition is preceded by has synonym 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
 world pointera  
matter era1012 sThe release of photons from constant collisions with massive particles as the universe expanded and its matter density diminished. See decoupling.radiation eradecoupling eraBig Bang era> 1010 years3 K to 3000 K

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