ther; but we shall remark that there is a disturbing force perpendicular to the radius vector, at every such intermediate point. This' will be easily seen from the second case of fig. 17. On going through the reasoning in that place it will appear that, between the two points that we have… … fig. 22, in which B is moving from the point between C and A to the other point whose distance from 0 is equal to A's distance from C, we shall find that there is a disturbing force d^ e^ perpendicular to the radius
Perturbation · Planets · Satellites · Lunar theory
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