Hubble's Law & Cosmic Redshift

v = H₀ d. The Hubble tension: CMB gives H₀ ≈ 67.4, distance ladder gives 73.0 km/s/Mpc. Adjust H₀ and see the difference.



Cosmological Parameters
Hubble Time
Hubble Distance
Age of Universe (flat)
Hubble Tension
4.5σ