Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page 12
... situation of the spectator among them ; and if this situation be liable to change , unknown to the spectator himself , an appearance of change in the respective situations of the objects will arise , without the reality . If , then ...
... situation of the spectator among them ; and if this situation be liable to change , unknown to the spectator himself , an appearance of change in the respective situations of the objects will arise , without the reality . If , then ...
Page 13
... situation among others , interfere with no natural processes , and produce no sensations of shocks or jerks , might , it is very evident , subsist undetected by us . There is no peculiar sensation which advertises us that we are in ...
... situation among others , interfere with no natural processes , and produce no sensations of shocks or jerks , might , it is very evident , subsist undetected by us . There is no peculiar sensation which advertises us that we are in ...
Page 34
... situation we view and judge of them as we do of terrestrial objects in detail , and with an acquired habit of attention to parts . Aloft we have no asso- ciations to guide us , and their insulation in the expanse of sky leads us rather ...
... situation we view and judge of them as we do of terrestrial objects in detail , and with an acquired habit of attention to parts . Aloft we have no asso- ciations to guide us , and their insulation in the expanse of sky leads us rather ...
Page 35
... situation could be accurately measured , recorded , and mapped down . The objects in a landscape are at every variety of distance from the eye , yet we lay them all down in a picture on one plane , and at one distance , in their actual ...
... situation could be accurately measured , recorded , and mapped down . The objects in a landscape are at every variety of distance from the eye , yet we lay them all down in a picture on one plane , and at one distance , in their actual ...
Page 36
... situation , he should shift his horizon ( which is always a plane passing through his eye , and touching the spherical convexity of the earth ) ; or unless , by some move- ments proper to the heavenly bodies , they should of them ...
... situation , he should shift his horizon ( which is always a plane passing through his eye , and touching the spherical convexity of the earth ) ; or unless , by some move- ments proper to the heavenly bodies , they should of them ...
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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
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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.