Abell 3667 (below) is currently observed to Have RED HUES on both sides, representing both original Big Bang Black Holes of the first Star and later galaxy able to merge into a cluster etc. ( Q-FFF Theory) Below: red (yellow) Hues on both sides of the cluster.
see: What is Wrong with Current Physics, to Explain Ball Lightning.
https://vixra.org/pdf/2101.0131v3.pdf