Guth book:
 Big bang created hydrogen (H, 1), helium (He, 2), and beryllium (Be, 4), some lithium (LI, 3)
  (symbol, atomic number)  Atomic number = number of protons in nucleus as well as num. of electrons
 0.1 sec. temp = 31 B deg Kelvin
 No atoms just protons, neutrons,  
Energy density of radiation 5 M times larger than mass density of protons and neutrons.

 Energetic collisions of other particles produced electrons, positrons and photons, neutrinos and antineutrinos.
positrons and neutrons colide to form protronsand antineutrinos
1 sec temp = 10 B deg


 At a  2002 NASA press release the Hubble team announced they had computed the age of white dwarfs in globular cluster M4 in the Milky Way to be 12-13 billion years old.  These extremely old, dim stars provide a completely independent reading of the universe's age without relying on measurements of the universe's expansion, which came up with estimates of 14 Billion years.  Because  the first stars formed less than 1 billion years after the universe's birth in the big bang these findings are consistent.


TimeLines at: HistoryOfTheUniverse.com/tl1.html
Science > Universe

Books:

The Inflationary Universe", 1997,  Alan Guth