Notation Doubling of
—- Planck Time Planck Length Planck Mass Planck Charge
173 645,492,017.5 s 1.935015×1017 km 2.605×1043 kg 2.245×1034 C
199 4.331×1016 s 1.298×1024 km 1.748×1051 kg 1.506×1042C
LAST SCATTERING SURFACE. According to the standard Big Bang theory, the early Universe was sufficiently hot for all the matter in it to be fully ionised. … These photons reach present-day observers as the cosmic microwave background radiation (CMB).