Outlines of astronomy |
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Page x
... situation of the disturbing planet became revealed to us , I have endeavoured , in pursuance of the general plan of this work , rather to exhibit a rational view of the dynamical action , than to convey the slightest idea of the conduct ...
... situation of the disturbing planet became revealed to us , I have endeavoured , in pursuance of the general plan of this work , rather to exhibit a rational view of the dynamical action , than to convey the slightest idea of the conduct ...
Page 13
... 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 14
... 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 36
... situation as compared with the latter , as will be ex- plained farther on . ( 48. ) After what has been said of the small extent of the atmosphere in comparison with the mass of the earth , we shall have little hesitation in admitting ...
... situation as compared with the latter , as will be ex- plained farther on . ( 48. ) After what has been said of the small extent of the atmosphere in comparison with the mass of the earth , we shall have little hesitation in admitting ...
Page 37
... 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
amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period 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 phænomena planet planetary pole portion position precession proper motions proportion recede reckoned refraction remarkable respect result revolution revolving right ascension rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole zenith