Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page x
... remarkable discovery of an additional ring of Saturn , and the curious researches of M. Peters on the proper motion of Sirius , with several minor features , are noticed . Where such additions are intro- duced in the text , they are ...
... remarkable discovery of an additional ring of Saturn , and the curious researches of M. Peters on the proper motion of Sirius , with several minor features , are noticed . Where such additions are intro- duced in the text , they are ...
Page xvi
... remarkable . Classification of nebulæ and clusters . Their distribution over the heavens . Irregular clusters . Resolvability of nebulæ . Theory of the formation of clus- ters by nebulous subsidence . Of elliptic nebulæ . That of Andro ...
... remarkable . Classification of nebulæ and clusters . Their distribution over the heavens . Irregular clusters . Resolvability of nebulæ . Theory of the formation of clus- ters by nebulous subsidence . Of elliptic nebulæ . That of Andro ...
Page 166
... remarkable points in the country , by whose connection its whole surface may be covered , as it were , with a network of triangles . Now , it is evident that the angles of the triangle A , B , C being observed , and one of its sides ...
... remarkable points in the country , by whose connection its whole surface may be covered , as it were , with a network of triangles . Now , it is evident that the angles of the triangle A , B , C being observed , and one of its sides ...
Page 168
... remarkable circumstance , that the sum of the three observed angles of any of the great tri- angles in geodesical operations is always found to be rather more than 180 ° . Were the earth's surface a plane , it ought to be exactly 180 ...
... remarkable circumstance , that the sum of the three observed angles of any of the great tri- angles in geodesical operations is always found to be rather more than 180 ° . Were the earth's surface a plane , it ought to be exactly 180 ...
Page 179
... remarkable , that its alteration of situation with respect to such bright stars as may happen to be near it may be noticed any fine night in a few hours ; and if noticed on two successive nights , cannot fail to strike the most careless ...
... remarkable , that its alteration of situation with respect to such bright stars as may happen to be near it may be noticed any fine night in a few hours ; and if noticed on two successive nights , cannot fail to strike the most careless ...
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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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Page 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.