. "lunar" . "Lunar theory" . . "several of the features and irregularities" . . "irregularities in the motion of the Moon" . "lunar perturbations" . . "strongly perturbed" . "handed down from Babylonians" . "explanation" . "motion" . "anomaly" . . . "lunar tables" . . "three mutually-attracting bodies" . "lunar inequality" . "Babylonian lunar astronomy" . "lunar theory" . . . "lunar model" . . "perturbing force on the Moon" . "sensible inequality" . . "lunar motion" . "Lunar theory" . "Earth\u2013Moon system" . "inequality" . . "Lunar theory - History" . .