Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page x
... terrestrial equator , occasions considerable distur- bances in the motions of both bodies . For , the action of the moon on the matter at the earth's equator produces a nutation in the axis of rotation , and the reaction of that matter ...
... terrestrial equator , occasions considerable distur- bances in the motions of both bodies . For , the action of the moon on the matter at the earth's equator produces a nutation in the axis of rotation , and the reaction of that matter ...
Page xv
... terrestrial equator , which is inclined to it at an angle of about 23 ° 28 ′ , will never coincide with the plane of the ecliptic ; so there never can be perpetual spring . The rotation of the earth is uniform ; therefore day and night ...
... terrestrial equator , which is inclined to it at an angle of about 23 ° 28 ′ , will never coincide with the plane of the ecliptic ; so there never can be perpetual spring . The rotation of the earth is uniform ; therefore day and night ...
Page xxii
... terrestrial orbit ; and analysis has proved that he assigned the true cause . If the eccentricity of the earth's orbit were invariable , the moon would be exposed to a variable disturbance from the action of the sun , in consequence of ...
... terrestrial orbit ; and analysis has proved that he assigned the true cause . If the eccentricity of the earth's orbit were invariable , the moon would be exposed to a variable disturbance from the action of the sun , in consequence of ...
Page xxiii
... terrestrial orbit to do the same . It is evident that the same secular variation which changes the sun's distance from the earth , and occasions the acceleration in the moon's mean motion , must affect the motion of the nodes and ...
... terrestrial orbit to do the same . It is evident that the same secular variation which changes the sun's distance from the earth , and occasions the acceleration in the moon's mean motion , must affect the motion of the nodes and ...
Page xxiv
... terrestrial objects . From the extremities of a known base the angles which the visual rays from the object form with it , are measured ; their sum sub- tracted from two right - angles gives the angle opposite the base ; therefore by ...
... terrestrial objects . From the extremities of a known base the angles which the visual rays from the object form with it , are measured ; their sum sub- tracted from two right - angles gives the angle opposite the base ; therefore by ...
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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