Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page x
... actual state of astronomical discovery . The elements of four new planets ( Parthenope , Egeria , Victoria , and Irene ) have been added , and improved elements of Iris , Metis , Hebe , and Hygeia , substituted for the provisional ...
... actual state of astronomical discovery . The elements of four new planets ( Parthenope , Egeria , Victoria , and Irene ) have been added , and improved elements of Iris , Metis , Hebe , and Hygeia , substituted for the provisional ...
Page xiii
... the law of gravity . Actual dimensions of comets . Periodical return of several . Halley's comet . Other ancient comets probably periodic . Encke's comet Biela's - Faye's - Lexell's - De Vico's - Brorsen's CONTENTS . xiii.
... the law of gravity . Actual dimensions of comets . Periodical return of several . Halley's comet . Other ancient comets probably periodic . Encke's comet Biela's - Faye's - Lexell's - De Vico's - Brorsen's CONTENTS . xiii.
Page xv
... Actual dimensions of their orbits . Coloured double stars . Phæno- menon of complementary colours . Sanguine stars . Proper motion of the stars . Partly accounted for by a real motion of the Sun. Situa- tion of the solar apex ...
... Actual dimensions of their orbits . Coloured double stars . Phæno- menon of complementary colours . Sanguine stars . Proper motion of the stars . Partly accounted for by a real motion of the Sun. Situa- tion of the solar apex ...
Page 3
... actual progress ; inasmuch as he will find it at once easier and more satisfactory to pursue from the outset a straight and definite path , than to be constantly stepping aside , involving himself in perplexities and circuits , which ...
... actual progress ; inasmuch as he will find it at once easier and more satisfactory to pursue from the outset a straight and definite path , than to be constantly stepping aside , involving himself in perplexities and circuits , which ...
Page 20
... actual size of the earth itself : and , in fact , were it not for the effect of refraction , by which we are enabled to see in some small degree round the interposed segment ( as will be hereafter explained ) , this would be a tolerably ...
... actual size of the earth itself : and , in fact , were it not for the effect of refraction , by which we are enabled to see in some small degree round the interposed segment ( as will be hereafter explained ) , this would be a tolerably ...
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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.