112. 2022年6月21日 14:24:38 : fCRlsm5LqA : RkEzRTVHcFZ1NXM=[1]
Perihelion Shift of Mercury (an essay)(クリ)
This is a thought experiment on close binary stars (imagine on a plane no friction). Imagine the same homogeneous true sphere with mass m. Main star is three spheres and companion star is two spheres (these are attached as a single unit). These are on a straight line. Gravity exerted and affected by and to each will depend on size of true spheres (of here and there). Forget the spherical shell theorem. Two-body problem is also complicated.
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