Cepheid variables are stars whose rates of pulsation vary with their luminosities: the brighter the star the longer it takes to complete a cycle of variability. It’s called the period–luminosity relationship.
When Cepheids are used as indicators for the distances to nearby galaxies, a necessary assumption is that mass is invariant throughout the universe. But if mass varies with charge, each galaxy—and therefore each star in it—could have a different charge distribution with respect to the intergalactic plasma. Each galaxy could have an idiosyncratic period-luminosity relationship for Cepheids, rendering them unusable for determining distances to other galaxies.
In this episode, Thunderbolts contributor Mel Acheson explains how recent discoveries, which appear to affirm the standard theory of stellar pulsation, have also falsified the standard theory of stellar evolution.
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