Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page xii
... have a very small inclination to the plane of the ecliptic in which the earth moves ; and on that account , astronomers refer their motions to it at a given epoch as a known and fixed position . The paths xii PRELIMINARY DISSERTATION .
... have a very small inclination to the plane of the ecliptic in which the earth moves ; and on that account , astronomers refer their motions to it at a given epoch as a known and fixed position . The paths xii PRELIMINARY DISSERTATION .
Page xiii
... ecliptic are its nodes . The orbits of the recently discovered planets deviate more . from the ecliptic : that of Pallas has an inclination of 35 ° to it : on that account it will be more difficult to determine their motions . These ...
... ecliptic are its nodes . The orbits of the recently discovered planets deviate more . from the ecliptic : that of Pallas has an inclination of 35 ° to it : on that account it will be more difficult to determine their motions . These ...
Page xv
... ecliptic itself , though assumed to be fixed at a given epoch for the convenience of astronomical computa- tion , is subject to a minute secular variation of 52 " , 109 , occa- sioned by the reciprocal action of the planets ; but as ...
... ecliptic itself , though assumed to be fixed at a given epoch for the convenience of astronomical computa- tion , is subject to a minute secular variation of 52 " , 109 , occa- sioned by the reciprocal action of the planets ; but as ...
Page xvi
... ecliptic , there exists an invariable plane passing through the centre of gravity of the sun , about which the whole system oscillates within narrow limits , and which is determined by this property ; that if every body in the system be ...
... ecliptic , there exists an invariable plane passing through the centre of gravity of the sun , about which the whole system oscillates within narrow limits , and which is determined by this property ; that if every body in the system be ...
Page xxi
... ecliptic . Our constant companion the moon next claims attention . Several circumstances concur to render her motions the most interesting , and at the same time the most difficult to inves- tigate of all the bodies of our system . In ...
... ecliptic . Our constant companion the moon next claims attention . Several circumstances concur to render her motions the most interesting , and at the same time the most difficult to inves- tigate of all the bodies of our system . In ...
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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