Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
З цієї книги
Результати 6-10 із 100
Сторінка 42
... circle ; others , which rise between the south and east , describe larger segments of their circles above the horizon , remain proportionally longer in sight , and set precisely as far to the westward of south as they rose to the ...
... circle ; others , which rise between the south and east , describe larger segments of their circles above the horizon , remain proportionally longer in sight , and set precisely as far to the westward of south as they rose to the ...
Сторінка 46
... circle above and half beneath his horizon , re- maining alternately visible for twelve hours , and concealed during the same interval . In this situation , no part of the heavens is concealed from his successive view . In a night of ...
... circle above and half beneath his horizon , re- maining alternately visible for twelve hours , and concealed during the same interval . In this situation , no part of the heavens is concealed from his successive view . In a night of ...
Сторінка 52
... circle in the heavens , one and the same for both the stations . This great circle , when spoken of as a circle of the sphere , is called the celestial horizon or simply the horizon , and the two planes just de- scribed are also spoken ...
... circle in the heavens , one and the same for both the stations . This great circle , when spoken of as a circle of the sphere , is called the celestial horizon or simply the horizon , and the two planes just de- scribed are also spoken ...
Сторінка 57
... circle on its surface , equidistant from its poles , dividing it into two hemi- spheres a northern and a southern ... circle of the globe passing through both poles and through the place . The plane of the meridian is the plane in which ...
... circle on its surface , equidistant from its poles , dividing it into two hemi- spheres a northern and a southern ... circle of the globe passing through both poles and through the place . The plane of the meridian is the plane in which ...
Сторінка 59
... circle from 0 to 360 ° . Thus , the longitude of Paris is , in common parlance , either 2 ° 20 ′ 22 ′′ east , or 357 ... circles are two small circles or parallels of latitude as distant from the north and south poles as the tropics are ...
... circle from 0 to 360 ° . Thus , the longitude of Paris is , in common parlance , either 2 ° 20 ′ 22 ′′ east , or 357 ... circles are two small circles or parallels of latitude as distant from the north and south poles as the tropics are ...
Інші видання - Показати все
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
Популярні уривки
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.