Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page vi
... move , and the enormous distances between them , impress the mind with some notion of the energy that maintains them in their motions with a durability to which we can see no limits . Equally conspicuous is the goodness of the great ...
... move , and the enormous distances between them , impress the mind with some notion of the energy that maintains them in their motions with a durability to which we can see no limits . Equally conspicuous is the goodness of the great ...
Page viii
... move in a curve of a different nature . Kepler ascer- tained by direct observation that the planets describe ellipses round the sun , and later observations show that comets also move in conic sections : it consequently follows that the ...
... move in a curve of a different nature . Kepler ascer- tained by direct observation that the planets describe ellipses round the sun , and later observations show that comets also move in conic sections : it consequently follows that the ...
Page x
... move with an equal velocity in a straight line ; but if the impulse does not pass through the centre of gravity ... moves in space accompanied by all those bodies which compose the solar system , a circum- stance that would in no way ...
... move with an equal velocity in a straight line ; but if the impulse does not pass through the centre of gravity ... moves in space accompanied by all those bodies which compose the solar system , a circum- stance that would in no way ...
Page xi
... moves in its elliptical orbit with a velocity varying every instant , in consequence of two forces , one tending to ... move in any known or symmetrical curve , but in paths now approaching to , and now receding from the elliptical form ...
... moves in its elliptical orbit with a velocity varying every instant , in consequence of two forces , one tending to ... move in any known or symmetrical curve , but in paths now approaching to , and now receding from the elliptical form ...
Page xii
... move in orbits of unstable equilibrium , their mutual at- tractions might have changed them into parabolas or even ... moves ; and on that account , astronomers refer their motions to it at a given epoch as a known and fixed position ...
... move in orbits of unstable equilibrium , their mutual at- tractions might have changed them into parabolas or even ... moves ; and on that account , astronomers refer their motions to it at a given epoch as a known and fixed position ...
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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