“A First Look at Cepheids in a Type Ia Supernova Host with JWST” may have just killed the CMBR H0.
Mathematica returns the (lambdaCDM) theory-dependent CMBR H0 of 68 km/(Mpc s) and doesn’t provide the more-directly empirical distance ladder H0 that JWST now appears to have sided with in the so-called Hubble Tension.
