Outlines of Astronomy |
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Page 25
... cause and effect , could not exist , but must be limited to a mere registry of appearances , unconnected with any attempt to account for them on reasonable principles , however successful to a certain extent might be the attempt to ...
... cause and effect , could not exist , but must be limited to a mere registry of appearances , unconnected with any attempt to account for them on reasonable principles , however successful to a certain extent might be the attempt to ...
Page 39
... cause of embarrassment , except in the most delicate inquiries , and to call for no further allusion in a treatise like the present . ( 42. ) A " Table of Refraction , " as it is called , or a statement of the amount of apparent ...
... cause of embarrassment , except in the most delicate inquiries , and to call for no further allusion in a treatise like the present . ( 42. ) A " Table of Refraction , " as it is called , or a statement of the amount of apparent ...
Page 42
... causes as the twilight . Were it not for the reflective and scattering power of the atmosphere , no objects would be ... caused by the same luminary in its different parts , which , during the daytime , throws it into a constant state of ...
... causes as the twilight . Were it not for the reflective and scattering power of the atmosphere , no objects would be ... caused by the same luminary in its different parts , which , during the daytime , throws it into a constant state of ...
Page 56
... cause of distortion shall act equally on both , ) manifest not the slightest perceptible variation . Not only this , but at whatever point of the earth's surface the measure- ment is performed , the results are absolutely identical . No ...
... cause of distortion shall act equally on both , ) manifest not the slightest perceptible variation . Not only this , but at whatever point of the earth's surface the measure- ment is performed , the results are absolutely identical . No ...
Page 78
... causes which may produce in- strumental derangement , and with all the peculiarities of structure and material of each instrument he possesses , as not to allow himself to be misled by their errors , but to extract from their ...
... causes which may produce in- strumental derangement , and with all the peculiarities of structure and material of each instrument he possesses , as not to allow himself to be misled by their errors , but to extract from their ...
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Common terms and phrases
altitude amount angle angular appear apsides ascertained astronomers 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 effect ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity greater heavens heliocentric horizon inclination increase 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 perpendicular perturbations planet planetary pole portion position precession proper motions proportion recede recess reckoned refraction remarkable respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose syzygies tangential force telescope tion Uranus variation velocity visible whole zenith