Origins of the Universe (13.7GA-4.6GA) Pre-Cambrian Super Eon (4.6GA-542MA)
History Timeline Index
AUGUSTINIAN ERA (pre-Big Bang)( Quantum Gravity)
13.8 Ga
Gravitational
Singularity
Big Bang - Quark Era
(Quantum Gravity)
0 sec
PLANCK EPOCH - four fundamental forces have the same strength
(Electromagnetism, Weak Nuclear Force, Strong Nuclear Force, Gravity) - unified
One
Planck Time = 1x10*-43 sec
1x10*-43 sec
GRAND UNIFICATION EPOCH
1x10*-36 sec
1x10*-35 sec
THE INFLATIONARY EPOCH
1x10*-32 sec
THE QUARK LEPTON EPOCH
1x10*-6 sec
1 min
2 min
3 min
The first nuclei form - Helium and Hydrogen
13,799,990,000
13,799,980,000
13,799,970,000
13,799,960,000
13,799,953,000
End of Radiation dominated era (47,000 years after beginning)
13,799,923,000
13,799,913,000
13,799,903,000
13,799,893,000
13,799,883,000
13,799,873,000
13,799,863,000
13,799,853,000
13,799,843,000
13,799,833,000
13,799,823,000
13,799,813,000
13,799,803,000
13,799,793,000
13,799,783,000
13,799,773,000
13,799,763,000
13,799,753,000
13,799,743,000
13,799,733,000
13,799,723,000
13,799,713,000
13,799,703,000
13,799,693,000
13,799,683,000
13,799,673,000
13,799,663,000
13,799,653,000
13,799,643,000
13,799,633,000
13,799,623,000
13,799,620,000
First Light - first atoms (380,000 years after beginning)
13.7 Ga
13.6 Ga
First stars form - gas and dust condenses
13.5 Ga
13.4 Ga
Galaxies form in dark matter incubators
13.3 Ga
13.2 Ga
13.1 Ga
13 Ga
12.9 Ga
12.8 Ga
12.7 Ga
12.6 Ga
12.5 Ga
12.4 Ga
12.3 Ga
12.2 Ga
12.1 Ga
12.0 Ga
11.9 Ga
11.8 Ga
11.7 Ga
11.6 Ga
11.5 Ga
11.4 Ga
11.3 Ga
11.2 Ga
11.1 Ga
11.0 GA
10.9 GA
10.8 GA
10.7 GA
10.6 GA
10.5 GA
Cosmic Noon - peak of star formation
10.4 GA
10.3 GA
10.2 GA
10.1 GA
10.0 GA
Milky Way is a growing proto-galaxy
9.9 Ga
9.8 Ga
9.7 Ga
9.6 Ga
9.5 Ga
9.4 Ga
9.3 Ga
9.2 Ga
9.1 Ga
9.0 Ga
8.9 Ga
8.8 Ga
8.7 Ga
8.6 Ga
8.5 Ga
8.4 Ga
8.3 Ga
8.2 Ga
8.1 Ga
8.0 Ga
7.9 Ga
7.8 Ga
7.7 Ga
7.6 Ga
7.5 Ga
7.4 Ga
7.3 Ga
7.2 Ga
7.1 Ga
7.0 Ga
Dark Energy acceleration begins
6.9 Ga
6.8 Ga
6.7 Ga
6.6 Ga
6.5 Ga
6.4 Ga
6.3 Ga
6.2 Ga
6.1 Ga
6.0 Ga
Dark Energy Λ dominance over baryonic matter accelerates cosmic expansion
5.9 Ga
5.8 Ga
5.7 Ga
5.6 Ga
5.5 Ga
5.4 Ga
5.3 Ga
5.2 Ga
5.1 Ga
5.0 Ga
4.9 Ga
4.8 Ga
4.7 Ga
Origins of the Universe (13.7GA-4.6GA) Pre-Cambrian Super Eon (4.6GA-542MA)
History Timeline Index