Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page xiv
... eccentricity of every orbit are in a state of perpetual , but slow change . At the present time , the inclinations of all the orbits are decreasing ; but so slowly , that the inclination of Jupiter's orbit is only six minutes less now ...
... eccentricity of every orbit are in a state of perpetual , but slow change . At the present time , the inclinations of all the orbits are decreasing ; but so slowly , that the inclination of Jupiter's orbit is only six minutes less now ...
Page xvii
... eccentricity . The same cause oc- casions the orbits of the satellites to remain nearly in the plane of Jupiter's equator , on account of which they are always seen nearly in the same line ; and the powerful action of that quantity of ...
... eccentricity . The same cause oc- casions the orbits of the satellites to remain nearly in the plane of Jupiter's equator , on account of which they are always seen nearly in the same line ; and the powerful action of that quantity of ...
Page xxi
... eccentricity of the lunar orbit , nor its inclination to the plane of the ecliptic , have experienced any changes from secular inequalities ; but the mean motion , the nodes , and the perigee , are subject to very remarkable variations ...
... eccentricity of the lunar orbit , nor its inclination to the plane of the ecliptic , have experienced any changes from secular inequalities ; but the mean motion , the nodes , and the perigee , are subject to very remarkable variations ...
Page xxii
... eccentricity of the 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 ...
... eccentricity of the 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 ...
Page xxxiii
... eccentricity so variable as even to be occasionally like a straight line drawn across the planet . At present the apparent axes of the rings are as 1000 to 160 ; and on the 29th of September , 1832 , the plane of the rings will pass ...
... eccentricity so variable as even to be occasionally like a straight line drawn across the planet . At present the apparent axes of the rings are as 1000 to 160 ; and on the 29th of September , 1832 , the plane of the rings will pass ...
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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