|
|
|
|
|
|
|
|
|
|
|
|
|
|
• |
10-45 sec Quantum gravity?
Physics not understood
|
|
|
|
|
• |
10-34 sec 1026 K Nuclear strong force/electro weak force separate
|
|
|
(inflation, matter/antimatter
asymmetry)
|
|
|
• |
10-7
sec 1014 K Protons, Antiprotonsphotons
|
|
|
|
|
• |
10-4
sec 1012 K Number of protons frozen
|
|
|
|
|
• |
4 sec 1010
K Number of electrons frozen
|
|
|
|
• |
2
min Deuterium nuclei
begins to survive
|
|
|
• |
3 min 109 K Helium
nuclei begin to survive
|
|
|
|
• |
30 min 108 K T, too low for more nuclear reactions
|
|
|
(frozen number of D, He --
critical prediction)
|
|
|
• |
300,000 yr 104 K Neutral
H atoms begin to survive
|
|
|
|
|
(frozen number of photons
– critical prediction)
|
|
|
• |
1 billion yr Galaxies begin to form
|
|
|
• |
13
billion yr Present time
|
|