Mike Boylan-Kolchin finds that six of the furthest and most massive galaxy candidates observed by JWST so far stand to contradict the prevailing thinking in cosmology. Unfortunately, they don't know what "prevailing thinking" to discard.
My theory: Discard the assumption that those galaxies were born from our big bang. They were born from another older adjacent one. A Big Bang Neighbor (or BBN).
https://www.nature.com/articles/s41550-023-01937-7
The Dirac Equation is Relativistically Invariant.
Proof attached.
Proving the Relativistic Energy-Momentum relation, the hard way and the easier way.