Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page v
... appear- ance in a form of more pretension , I have gladly availed myself of it , not only to correct some errors which , to my regret , subsisted in the former volume , but to remodel it altogether ( though in complete accordance with ...
... appear- ance in a form of more pretension , I have gladly availed myself of it , not only to correct some errors which , to my regret , subsisted in the former volume , but to remodel it altogether ( though in complete accordance with ...
Page 1
... appear to be supported by careful observation and logical argument , even should it prove of a nature adverse to notions he may have previously formed for himself , or taken up , without examination , on the credit of B As a others ...
... appear to be supported by careful observation and logical argument , even should it prove of a nature adverse to notions he may have previously formed for himself , or taken up , without examination , on the credit of B As a others ...
Page 2
... appear to untaught eyes round bodies of no very considerable size , become en- larged in his imagination into vast globes , the one ap- proaching in magnitude to the earth itself , the other im- mensely surpassing it . The planets ...
... appear to untaught eyes round bodies of no very considerable size , become en- larged in his imagination into vast globes , the one ap- proaching in magnitude to the earth itself , the other im- mensely surpassing it . The planets ...
Page 18
... — the angle YMQ , by which the visible horizon appear- depressed below the direction of a spirit - level- that is called • See these instruments described in Chap . III . viz . the line MN , increases ; and , 18 OUTLINES OF ASTRONOMY .
... — the angle YMQ , by which the visible horizon appear- depressed below the direction of a spirit - level- that is called • See these instruments described in Chap . III . viz . the line MN , increases ; and , 18 OUTLINES OF ASTRONOMY .
Page 26
... appear otherwise situated than they would to the same spectator , had the atmosphere no existence . It thus produces a false impression respecting their places , which must be rectified by ascertaining the amount and direction of the ...
... appear otherwise situated than they would to the same spectator , had the atmosphere no existence . It thus produces a false impression respecting their places , which must be rectified by ascertaining the amount and direction of the ...
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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.