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.

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 epochCosmic microwave background radiationChronology of the universe#Matter dominationChronology of the universe#RecombinationBig Bang nucleosynthesisInflationary epochPlanck timeChronology of the universe#Dark AgesPhoton epochLepton epochHadron epochQuark epochElectroweak epochGrand unification epochThe Five Ages of the UniverseReionizationGraphical timeline of the Stelliferous EraBig BangPlanck epoch

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