Outlines of astronomy |
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Page xiii
... instance , the account of the me- thods by which the mass of the Earth has been de- termined , and that of the successful treatment , and it is presumed final subjugation , of those rebellious ancient Solar Eclipses which have so much ...
... instance , the account of the me- thods by which the mass of the Earth has been de- termined , and that of the successful treatment , and it is presumed final subjugation , of those rebellious ancient Solar Eclipses which have so much ...
Page xiv
... instance , on the subject of the Moon's habitability , the cause of the acceleration of Encke's comet , & c . , and a few numerical errors are corrected which have hitherto escaped notice and public comment as blemishes , —as for ...
... instance , on the subject of the Moon's habitability , the cause of the acceleration of Encke's comet , & c . , and a few numerical errors are corrected which have hitherto escaped notice and public comment as blemishes , —as for ...
Page 7
... instance , the illustrations chosen have not been studiously selected from books , but are such as have presented themselves freely to the author's mind as being most in harmony with his own views ; by which , of course , he means to ...
... instance , the illustrations chosen have not been studiously selected from books , but are such as have presented themselves freely to the author's mind as being most in harmony with his own views ; by which , of course , he means to ...
Page 12
... instance , refer for any determinate marks and measures by which to recognize their changes of situation , or with which to compare their distances . ( 13. ) To the reader who now for the first time takes up a book on astronomy , it ...
... instance , refer for any determinate marks and measures by which to recognize their changes of situation , or with which to compare their distances . ( 13. ) To the reader who now for the first time takes up a book on astronomy , it ...
Page 13
... instance , whether what we call sitting still is really such : whether the station from which we view them , with ourselves , and all objects which immediately surround us , be not itself in motion , unperceived by us ; and if so , of ...
... instance , whether what we call sitting still is really such : whether the station from which we view them , with ourselves , and all objects which immediately surround us , be not itself in motion , unperceived by us ; and if so , of ...
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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