Or, possibly, it stays the same without variation and the measurement was flawed. A recent study indicates our most accurate clock may not be infallible[1]. P.

Or, possibly, it stays the same without variation and the measurement was flawed. A recent study indicates our most accurate clock may not be infallible[1]. P.S. gravity isn't constant either[2]. [1]- https://www.nature.com/articles/s41467-020-18264-4 https://www.nature.com/articles/s41467-020-18264-4 [2]- https://en.wikipedia.org/wiki/Gravity_anomaly https://en.wikipedia.org/wiki/Gravity_anomaly