Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page viii
... comets also move in conic sections : it consequently follows that the sun attracts all the planets and comets inversely as the square of their distances from his centre ; the sun therefore is the centre of a force extending indefinitely ...
... comets also move in conic sections : it consequently follows that the sun attracts all the planets and comets inversely as the square of their distances from his centre ; the sun therefore is the centre of a force extending indefinitely ...
Page ix
... comets be sup- posed to be at equal distances from the sun and left to the effects of gravity , they would arrive at his surface at the same time . The satellites also gravitate to their primaries accord- ing to the same law that their ...
... comets be sup- posed to be at equal distances from the sun and left to the effects of gravity , they would arrive at his surface at the same time . The satellites also gravitate to their primaries accord- ing to the same law that their ...
Page xxxv
... comet , the mass of the latter must have been extremely small ; for if it had been only the hun- dred - thousandth part of that of the earth , it would have ren- dered the libration sensible . A similar libration exists in the motions ...
... comet , the mass of the latter must have been extremely small ; for if it had been only the hun- dred - thousandth part of that of the earth , it would have ren- dered the libration sensible . A similar libration exists in the motions ...
Page xxxix
... comet which may have happened in the immensity of time . Then indeed , the equilibrium could only have been restored by the rushing of the seas to the new equator , which they would con- tinue to do , till the surface was every where ...
... comet which may have happened in the immensity of time . Then indeed , the equilibrium could only have been restored by the rushing of the seas to the new equator , which they would con- tinue to do , till the surface was every where ...
Page xlviii
... comets to their perihelia may possibly mark the present state of astronomy to future ages . x The places of the fixed stars are affected by the precession . of the equinoxes ; and as the law of that variation is known , their positions ...
... comets to their perihelia may possibly mark the present state of astronomy to future ages . x The places of the fixed stars are affected by the precession . of the equinoxes ; and as the law of that variation is known , their positions ...
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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