Graphical timeline of the Big Bang
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This timeline of the Big Bang shows the sequence of events as predicted by the Big Bang theory, from the beginning of time to the end of the Primordial Dark Age (and beginning of Reionization).
It is a logarithmic scale that shows 10 * log10 second instead of second. For example, one microsecond is 10 * log100.000001 = 10 * ( − 6) = − 60. To convert -30 read on the scale to second calculate 10 − 30 / 10 = 10 − 3 = 0.001 second = one millisecond. A step of 10 units on the scale is ten times longer than the previous step.
