radiation era concept from the Astronomy knowledge base

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radiation era

subject fact

radiation era is followed by matter era 2001-09-27 09:29:58.0
has duration 10¹² s
is preceded by nucleosynthetic era
has start time 10 s after Big Bang
has temperature 10⁹K
has definition The 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. has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:58.0
is a kind of Big Bang era

event has synonym world point 2001-09-27 09:29:57.0
has time of occurrence

radiation era	is followed by matter era
	has duration 10¹² s
	is preceded by nucleosynthetic era
	has start time 10 s after Big Bang
	has temperature 10⁹K
	has definition The 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.
	is a kind of Big Bang era
event	has synonym world point
event	has time of occurrence