Gràfica cronològica del Big Bang

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 $10*\log _{10}$ second instead of second. For example, one microsecond is $10*\log _{10}0.000001=10*(-6)=-60$. 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.