Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка 145
... attraction on it . This attraction , as Newton has demonstrated , consists , not in a tendency of all matter to any one particular centre , but in a disposition of every particle of matter in the universe to press towards , and if not ...
... attraction on it . This attraction , as Newton has demonstrated , consists , not in a tendency of all matter to any one particular centre , but in a disposition of every particle of matter in the universe to press towards , and if not ...
Сторінка 146
... attraction ought to increase the weight of a body in going from the equator to the pole by almost exactlyth part ; which , together with th due to the centrifugal force , make up the whole quantity , th , observed . 1 89 1 ( 239 ...
... attraction ought to increase the weight of a body in going from the equator to the pole by almost exactlyth part ; which , together with th due to the centrifugal force , make up the whole quantity , th , observed . 1 89 1 ( 239 ...
Сторінка 194
... attraction of the sun and moon on its polar and equatorial regions . ( 324. ) Uranographically considered , as affecting the ap- parent places of the stars , they are of the utmost importance in practical astronomy . When we speak of ...
... attraction of the sun and moon on its polar and equatorial regions . ( 324. ) Uranographically considered , as affecting the ap- parent places of the stars , they are of the utmost importance in practical astronomy . When we speak of ...
Сторінка 268
... attractions and repulsions is actually enfeebled by distance , and much more rapidly than in the simple proportion of the increased distances . The argument therefore , stands thus : -On the one hand , Gravity is a real power , of whose ...
... attractions and repulsions is actually enfeebled by distance , and much more rapidly than in the simple proportion of the increased distances . The argument therefore , stands thus : -On the one hand , Gravity is a real power , of whose ...
Сторінка 269
... attraction is precisely the same as if the whole matter of each sphere were collected into its center , and the spheres were single particles there placed ; so that , in this case , the general law applies in its strict wording . The ...
... attraction is precisely the same as if the whole matter of each sphere were collected into its center , and the spheres were single particles there placed ; so that , in this case , the general law applies in its strict wording . The ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations planet planetary pole portion position Post 8vo precession proper motions proportion recede recess reckoned refraction respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith
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Сторінка 674 - A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.