Outlines of Astronomy |
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Page xiv
... 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 harassed astronomers . A brief account of M ...
... 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 harassed astronomers . A brief account of M ...
Page xv
... mass of the atmosphere , Art . 242. , and in the distance of the Moon , Art . 403 . ( for which , however , I am not answerable ) . In the numerical statement of special astronomical elements , it is unavoidable that slightly different ...
... mass of the atmosphere , Art . 242. , and in the distance of the Moon , Art . 403 . ( for which , however , I am not answerable ) . In the numerical statement of special astronomical elements , it is unavoidable that slightly different ...
Page xxvii
... Masses of disturbing bodies deducible from the perturbations they produce . Mass of the Moon , and of Jupiter's satellites , how ascertained . Perturbations of Uranus resulting in the discovery of Neptune . Determination of the absolute ...
... Masses of disturbing bodies deducible from the perturbations they produce . Mass of the Moon , and of Jupiter's satellites , how ascertained . Perturbations of Uranus resulting in the discovery of Neptune . Determination of the absolute ...
Page 20
... mass , as we consider an orange not the less round for the roughness on its rind . 2dly , That the appearance of a visible horizon , or sea - offing , is a consequence of the curvature of the surface , and does not arise from the ...
... mass , as we consider an orange not the less round for the roughness on its rind . 2dly , That the appearance of a visible horizon , or sea - offing , is a consequence of the curvature of the surface , and does not arise from the ...
Page 23
... mass . The comparison is quite free from exag- geration . The highest mountain known hardly exceeds five miles in perpendicular elevation : this is only one 1600th part of the earth's diameter ; consequently , on a globe of sixteen ...
... mass . The comparison is quite free from exag- geration . The highest mountain known hardly exceeds five miles in perpendicular elevation : this is only one 1600th part of the earth's diameter ; consequently , on a globe of sixteen ...
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Common terms and phrases
amount angle angular appear apsides ascertained astronomical atmosphere attraction axis bright calculation celestial circle coincidence 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 heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian micrometrical moon moon's nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena phænomenon planet planetary pole portion position precession precisely proper motion proportion recede recess 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 whole zenith