An Elementary Treatise on Astronomy. ..., Volume 2J. Smith, sold by Deighton and sons, 1818 - 487 pages |
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Common terms and phrases
acceleration analytical approximate arbitrary quantities attraction body's centre of gravity centripetal force Clairaut coefficient computed consequently correction cosines Dalembert deduced determined differential equation direction disturbing body disturbing force dv² Earth eccentricity ellipse equable description equal Evection expounded expression former formula Hence inclination inequality instance integration inverse Jupiter and Saturn Jupiter's Kepler's Laws Laplace latter longitude Lunar Apogee Lunar Theory mass mean distance mean motion method Moon Moon's nearly Newton nodes observation orbit parallax perihelion period perturbation Physical Astronomy planetary planets Principia principles radius vector represent result retardation revolving satellite secular secular equation solution substitute Sun's supposed tangential terms involving terms that involve three bodies tricity Trig turbing variation Venus