193. 2023年4月01日 14:26:48 : S7mtyR51Po : ZmJ0YmpVajI1ZGs=[1]
Perihelion Shift of Mercury (reconfirmation) (クリ)
Size (mass distribution) of Mercury will slightly increase magnitude of actual centrifugal force (due to its orbital motion). As a result, direction of ellipse of Mercury will be shifted in the direction of Mercury's orbital motion around Sun (that is axis). In other words, long and short axes of ellipse will continue to shift its direction like hands of clock. This phenomenon, also known as apsidal precession is a phenomenon that exists widely (not only on Mercury).
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