#redirect[[Charles de Secondat, Baron de Montesquieu]]
{{merge}} [[Timeline of the Universe]] --[[User:Pjacobi|Pjacobi]] 20:32, 2005 Mar 13 (UTC)
'''Timeline of Cosmological Eras'''
This [[timeline]] shows the evolution of the cosmos through known marker events, giving us [[cosmological era]]s. Time is generally marked off in [[cosmological decade]]s or in seconds.
=Primordial Age=
==Big Bang Era==
Time 0 to 10<sup>-43</sup> seconds
==Subatomic Era==
''see [[Timeline of the Big Bang]] for more details''
===Planck Epoch===
Time 10<sup>-43</sup> to 10<sup>-37</sup>
===Inflationary Epoch===
===Grand Unification Epoch===
Time 10<sup>-35</sup> to 10<sup>-12</sup> seconds
===Electroweak Epoch===
Time 10<sup>-12</sup> to 10<sup>-6</sup> seconds
===Hadron Epoch===
Time 10<sup>-6</sup> to 1 seconds
===Lepton Epoch===
Time 1 to 180 seconds
===Epoch of Nucleosynthesis===
Time 3 minutes to 300,000 years
==Radiation Era==
===Reionization Epoch===
===Matter Domination Epoch===
=Stelliferous Age=
Cosmological decades 6 to 14
=Degenerate Age=
Cosmological decades 15 to 40
=Black Hole Age=
Cosmological decades 41 to 100
=Dark Age=
=Photon Age=
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[[Category:Timelines]]
[[Category:Cosmology]]
[[Category:Astrophysics]]
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