Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page xiii
... Secular Inequalities . In consequence of disturbances of this kind , the apsides , or extremities of the major axes of all the orbits , have a direct , but variable motion in space , excepting those of Venus , which are retrograde ; and ...
... Secular Inequalities . In consequence of disturbances of this kind , the apsides , or extremities of the major axes of all the orbits , have a direct , but variable motion in space , excepting those of Venus , which are retrograde ; and ...
Page xiv
... secular changes ; they are so connected by Kepler's law of the squares of the periodic times being proportional to the cubes of the mean distances of the planets from the sun , that one cannot vary without affecting the other . With the ...
... secular changes ; they are so connected by Kepler's law of the squares of the periodic times being proportional to the cubes of the mean distances of the planets from the sun , that one cannot vary without affecting the other . With the ...
Page xvi
... secular variations in the planetary orbits would have been extremely embarrassing to astronomers , when it became necessary to compare observations separated by long periods . This difficulty is obviated by La Place , who has shown that ...
... secular variations in the planetary orbits would have been extremely embarrassing to astronomers , when it became necessary to compare observations separated by long periods . This difficulty is obviated by La Place , who has shown that ...
Page xxi
... secular inequalities ; but the mean motion , the nodes , and the perigee , are subject to very remarkable variations . From an eclipse observed at Babylon by the Chaldeans , on the 19th of March , seven hundred and twenty - one years ...
... secular inequalities ; but the mean motion , the nodes , and the perigee , are subject to very remarkable variations . From an eclipse observed at Babylon by the Chaldeans , on the 19th of March , seven hundred and twenty - one years ...
Page xxii
... secular variations in the elements of Jupiter's orbit , from the action of the planets , occasion corre- sponding changes in the motions of the satellites : this led him to suspect that the acceleration in the mean motion of the moon ...
... secular variations in the elements of Jupiter's orbit , from the action of the planets , occasion corre- sponding changes in the motions of the satellites : this led him to suspect that the acceleration in the mean motion of the moon ...
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Common terms and phrases
A₁ action angle ascending node attraction axes axis B₁ becomes c'mv centre of gravity centrifugal force co-ordinates coefficients comets computed conic sections consequently cosines curve density depending determined differential direction disturbing forces dR dR dt dt earth eccentricity ecliptic elements epoch equal equilibrium equinoxes expression fixed plane fluid functions give hence inclination indefinitely small integral Jupiter latitude mass mean anomaly mean distance mean longitude mean motion moon moon's move nearly observation omitted orbit of Jupiter oscillations parallax particle perigee perihelion periodic inequalities perturbations planets preceding equation preceding values radius vector ratio regard rotation satellites Saturn secular inequalities secular variations sidereal sine spheroid square substituted surface system of bodies terrestrial theory tion true longitude Uranus velocity whence zero