187. 2023年3月11日 17:03:22 : FOiM4NNNmA : cFNQSDVSZHlBV2M=[1]
Spherical Shell Theorem (クリ)
A homogeneous sphere, the source of gravity, and a line of action of gravity extending horizontally through the center of the sphere are drawn. At a fixed point, on left side of the line of action, not far apart, magnitude of gravity is calculated. Now, let the gravity source be the left and right hemispheres, and the gravity originating from the two hemispheres is calculated. Magnitude of gravity depends on the square of the distance. Therefore, sum of the gravity originating from the two hemispheres will differ from the magnitude calculated by the spherical shell theorem.
The above is on the Sun's gravity only.
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