Graphical timeline of the Big Bang

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This timeline of the Big Bang shows a sequence of events as currently theorized by scientists. Dark Ages.

It is a logarithmic scale that shows second instead of second. For example, one microsecond is . To convert -30 read on the scale to second calculate second = one millisecond. On a logarithmic time scale a step lasts ten times longer than the previous step.

Chronology of the universe#Habitable epoch Cosmic microwave background radiation Chronology of the universe#Matter domination Chronology of the universe#Recombination Big Bang nucleosynthesis Inflationary epoch Planck time Chronology of the universe#Dark Ages Photon epoch Lepton epoch Hadron epoch Quark epoch Electroweak epoch Grand unification epoch The Five Ages of the Universe Reionization Graphical timeline of the Stelliferous Era Big Bang Planck epoch

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