The “Main Problem” Solved
What Brown called “the main problem” in the lunar theory consisted in the deduction, from Newton’s law of gravitation alone, of the motions of the Moon under the restrictions that the Moon, Earth, and Sun be regarded as point-particles, and the center of gravity of the Earth and Moon be assumed to move about the Sun in a fixed elliptic orbit.
KeywordsMonthly Notice Annual Motion Lunar Theory Perihelion Motion Equatorial Bulge
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