Registry · Remark
V.R205
tau-effective
formalized
V.R205 — Both Measurements Correct
Both H_0 measurements are correct: the early-universe measurement (Planck, z ~ 1100) probes H(n_CMB) ~ H_infty ~ 67.4 km/s/Mpc, while the local measurement probes H(n_local) > H_infty due to the depth correction delta H / iota_tau^{n_local}.
Book V
Part 5
Ch. 45