Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page v
... object and general character are sufficiently stated in the introductory chapter of that volume , here reprinted with little alteration ; but an opportunity having been afforded me by the Proprietors , preparatory to its re - appear ...
... object and general character are sufficiently stated in the introductory chapter of that volume , here reprinted with little alteration ; but an opportunity having been afforded me by the Proprietors , preparatory to its re - appear ...
Page 3
... object to teach as it now stands , than to raise or revive objections against it ; and that , in short , he comes to the task with a willing mind ; an assump- tion which will not only save the trouble of piling argument on argument to ...
... object to teach as it now stands , than to raise or revive objections against it ; and that , in short , he comes to the task with a willing mind ; an assump- tion which will not only save the trouble of piling argument on argument to ...
Page 8
... object will at least be kept in view ; and , as I am very conscious of having , in making such attempts , gained for myself much clearer views of several of the more concealed effects of planetary perturbation than I had acquired by ...
... object will at least be kept in view ; and , as I am very conscious of having , in making such attempts , gained for myself much clearer views of several of the more concealed effects of planetary perturbation than I had acquired by ...
Page 12
... objects which immediately surround us , be not itself in motion , unperceived by us ; and if so , of what nature that motion is . The apparent places of a number of objects , and their apparent arrangement with respect to each other ...
... objects which immediately surround us , be not itself in motion , unperceived by us ; and if so , of what nature that motion is . The apparent places of a number of objects , and their apparent arrangement with respect to each other ...
Page 13
... object from its relative situation among others , interfere with no natural processes , and produce no sensations of ... objects ) , we per- ceive a tremor arising from inequalities in the road , over which the carriage is successively ...
... object from its relative situation among others , interfere with no natural processes , and produce no sensations of ... objects ) , we per- ceive a tremor arising from inequalities in the road , over which the carriage is successively ...
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Common terms and phrases
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
Popular passages
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.