"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that the Coma Cluster of galaxies is 38 million light-years closer than it should ...

A megaparsec is a million parsecs, and one parsec is 3.26 light-years ... according to our understanding of astrophysics and cosmology, both should be correct — but both can't be correct.