The value of Bo equals Tatsumi's surface magnetic field BS if the mass density of MQNs ρQN = 1018 kg/m3 and density of dark matter was ρDM = 1.6 × 108 kg/m3 when the temperature of the universe was ~100 MeV [15,27]. If better values of ρQN and ρDM are found, then the...