On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 4
... equator , the weight of the same body gradually decreases from the poles , where it is greatest , to the equator , where it is least . There is , however , a certain mean ( N. 12 ) latitude ( N. 13 ) , or part of the earth intermediate ...
... equator , the weight of the same body gradually decreases from the poles , where it is greatest , to the equator , where it is least . There is , however , a certain mean ( N. 12 ) latitude ( N. 13 ) , or part of the earth intermediate ...
Page 6
... equator ( N. 11 ) , in con- sequence of the centrifugal force arising from the velocity of rota- tion ( N. 30 ) ; for the centrifugal force diminishes the gravity of the particles at the equator , and equilibrium can only exist where ...
... equator ( N. 11 ) , in con- sequence of the centrifugal force arising from the velocity of rota- tion ( N. 30 ) ; for the centrifugal force diminishes the gravity of the particles at the equator , and equilibrium can only exist where ...
Page 7
... equator , occasions considerable disturbances in the motions of both bodies ; for the action of the moon on the matter at the earth's equator produces a nutation ( N. 33 ) in the axis ( N. 34 ) of rotation , and the reaction of that ...
... equator , occasions considerable disturbances in the motions of both bodies ; for the action of the moon on the matter at the earth's equator produces a nutation ( N. 33 ) in the axis ( N. 34 ) of rotation , and the reaction of that ...
Page 9
... equator , is intersected by the ecliptic , or apparent path of the sun , in two points diametrically opposite to one another , called the vernal and autumnal equinoxes . The vernal equinox is the point through which the sun passes in ...
... equator , is intersected by the ecliptic , or apparent path of the sun , in two points diametrically opposite to one another , called the vernal and autumnal equinoxes . The vernal equinox is the point through which the sun passes in ...
Page 23
... equator , which is inclined to it at an angle * of 23 ° 27 ′ 28 ′′ -29 , will never coincide with the plane of the ecliptic : so there never can be perpetual spring ( N. 79 ) . The rotation of the earth is uniform ; therefore day and ...
... equator , which is inclined to it at an angle * of 23 ° 27 ′ 28 ′′ -29 , will never coincide with the plane of the ecliptic : so there never can be perpetual spring ( N. 79 ) . The rotation of the earth is uniform ; therefore day and ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire