•H2 molecules break apart into H atoms
•H
atoms loose their electrons
•He
atoms lose their electrons
•He
nuclei break apart into protons, neutrons
•Protons
and neutrons break apart into quarks
•More
exotic massive unstable particles are created
•
•You
get more and shorter wavelength photons
•You
get a quasi-equilibrium between photons and matter
–
High energy photons Û (particles + antiparticles)