Mechanism of the HeavensJ. Murray, 1831 - 621 pages |
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Page xiii
... constant operation of their reciprocal attraction , one kind depending upon their positions with regard to each other , begins from zero , increases to a maximum , de- creases and becomes zero again , when the planets return to the same ...
... constant operation of their reciprocal attraction , one kind depending upon their positions with regard to each other , begins from zero , increases to a maximum , de- creases and becomes zero again , when the planets return to the same ...
Page xxxvii
... constant . It follows then , that as the primitive momentum of rotation with which the earth was projected into space must necessarily remain the same , the smallest decrease in heat , by contracting the terrestrial spheroid , would ...
... constant . It follows then , that as the primitive momentum of rotation with which the earth was projected into space must necessarily remain the same , the smallest decrease in heat , by contracting the terrestrial spheroid , would ...
Page lix
... constant in the same place , but changes in a few years , according to a law not yet determined . In 1657 , the line of no variation passed through London . In the year 1819 , Captain Parry , PRELIMINARY DISSERTATION . lix.
... constant in the same place , but changes in a few years , according to a law not yet determined . In 1657 , the line of no variation passed through London . In the year 1819 , Captain Parry , PRELIMINARY DISSERTATION . lix.
Page 14
... constant from one point to another . By this property , the equation of the radius of curvature is formed from the equation of the curve , or surface . If r be the radius of curvature , it is evident , that though it may vary from one ...
... constant from one point to another . By this property , the equation of the radius of curvature is formed from the equation of the curve , or surface . If r be the radius of curvature , it is evident , that though it may vary from one ...
Page 17
... constant . In this point of view , varia- tions are only differentials on another hypothesis of constancy and variability , and are therefore subject to all the laws of the differen- tial calculus . 57. The variation of a function may ...
... constant . In this point of view , varia- tions are only differentials on another hypothesis of constancy and variability , and are therefore subject to all the laws of the differen- tial calculus . 57. The variation of a function may ...
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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