But Why is the Universe All
Matter?
an electron's (e-) antiparticle is a positron (e+)
An interesting question about antimatter that puzzles physicists (especially your lecturer):
If matter and antimatter are
exactly equal but opposite, why is there so
much more matter in the
universe than antimatter? Why did matter
"win" instead of antimatter? And
why are there a billions photons of black
body radiation from the big bang
to every proton? We are just a small
contamination in the Universe of Light.