CompuServe Messages

Another exotic element is 'positronium,' which consists of a positron and electron orbiting each other. One romantic view of the death of the universe suggests that after all the protons have decayed, the last remaining positron time larger than the universe today; gradually approaching until they finally annihilate, leaving only photons and neutrinos to radiate B-L-I-S-H in cold infrared for eternity. Expect it around year 10^105, A.D.