Variation (astronomy)
Sign in to saveperiodic perturbation of the lunar orbit
Connections
Equation of the center
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astronomy
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circle
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Lunar eclipse
Concept
Tycho Brahe
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degree
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Philosophiæ Naturalis Principia Mathematica
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orbital eccentricity
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ecliptic coordinate system
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syzygy
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perturbation
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lunar month
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orbit of the Moon
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Ernest William Brown
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Kepler orbit
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evection
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mean motion
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lunar theory
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