yet another coincidence
13 Jan 2026The thermal decoupling of baryons from the CMB takes place at a redshift of \(z\simeq100\), not too dissimilar from the time of baryon-radiation equality, \(\Omega_b(z) = \Omega_\gamma(z)\). Is this a coincidence?
The thermal decoupling of baryons from the CMB takes place at a redshift of \(z\simeq100\), not too dissimilar from the time of baryon-radiation equality, \(\Omega_b(z) = \Omega_\gamma(z)\). Is this a coincidence?