113. 2022年6月23日 09:44:34 : 4E0IbExP26 : VWhSWUk3LjFiTFE=[1]
Perihelion Shift of Mercury (an essay) (クリ)
This is a guess. Because of size of Mercury (in its elliptical orbit), centrifugal force will be increased. And, as Sun is near, effect of size will be larger (other planets are more like point).
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