Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page xiv
... revolve are also very great . Beside these , the inclination and 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 ...
... revolve are also very great . Beside these , the inclination and 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 ...
Page xxiv
Mary Somerville. versely as the square of the distance , were to revolve about an axis , as the earth , it would assume the form of a spheroid , whose compression is . Whence it appears , that the earth is not homogeneous , but decreases ...
Mary Somerville. versely as the square of the distance , were to revolve about an axis , as the earth , it would assume the form of a spheroid , whose compression is . Whence it appears , that the earth is not homogeneous , but decreases ...
Page xxxi
... revolve , and inversely as the squares of their periodic times , the mass of the sun and of any planets which have satellites , may be compared with the mass of the earth . In this manner it is computed that the mass of the sun is ...
... revolve , and inversely as the squares of their periodic times , the mass of the sun and of any planets which have satellites , may be compared with the mass of the earth . In this manner it is computed that the mass of the sun is ...
Page xxxiii
... revolve about Saturn at the same distance . Their plane is inclined to the ecliptic at an angle of 31 ° ; and in consequence of this obliquity of position they always appear elliptical to us , but with an eccentricity so variable as ...
... revolve about Saturn at the same distance . Their plane is inclined to the ecliptic at an angle of 31 ° ; and in consequence of this obliquity of position they always appear elliptical to us , but with an eccentricity so variable as ...
Page lvi
... revolve more slowly than the corre- sponding parts of the earth , and the bodies on the surface of the earth must strike against it with the excess of their velocity , and by its reaction they will meet with a resistance contrary to ...
... revolve more slowly than the corre- sponding parts of the earth , and the bodies on the surface of the earth must strike against it with the excess of their velocity , and by its reaction they will meet with a resistance contrary to ...
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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