Outlines of AstronomyLongman, green and Roberts, 1859 - 714 pages |
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Page x
... true bearings of Newton's explanation of the annual equation . * If proof were wanted of the inexhaustible fertility of astronomical science in points of novelty and in- terest , it would suffice to adduce the addition to the list of ...
... true bearings of Newton's explanation of the annual equation . * If proof were wanted of the inexhaustible fertility of astronomical science in points of novelty and in- terest , it would suffice to adduce the addition to the list of ...
Page xx
... true longitudes of the Sun. Equation of the center . Sidereal , tropical , and anomalistic years . Physical constitution of the Sun. Its spots . Faculæ . Probable nature and cause of the spots . Recent discoveries of Mr. Dawes ...
... true longitudes of the Sun. Equation of the center . Sidereal , tropical , and anomalistic years . Physical constitution of the Sun. Its spots . Faculæ . Probable nature and cause of the spots . Recent discoveries of Mr. Dawes ...
Page 13
... true conclusions respecting the constitution of the universe . ( 15. ) Nor let it be thought strange that we should speak of a motion existing in the earth , unperceived by its in- habitants : we must remember that it is of the earth as ...
... true conclusions respecting the constitution of the universe . ( 15. ) Nor let it be thought strange that we should speak of a motion existing in the earth , unperceived by its in- habitants : we must remember that it is of the earth as ...
Page 14
... true , because these are sudden changes of motion , produced , as the laws of mechanics teach us , by sudden and powerful forces acting during short times ; and these forces , applied to our bodies , are what we feel . When , for ...
... true , because these are sudden changes of motion , produced , as the laws of mechanics teach us , by sudden and powerful forces acting during short times ; and these forces , applied to our bodies , are what we feel . When , for ...
Page 20
... true , in apparent size , but still the whole is seen down to the water line , till it reaches the visible horizon at B. But as soon as it has passed this distance , not only does the visible portion still continue to diminish in ...
... true , in apparent size , but still the whole is seen down to the water line , till it reaches the visible horizon at B. But as soon as it has passed this distance , not only does the visible portion still continue to diminish in ...
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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 effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere 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 perturbations phænomena planet planetary pole portion position precession precisely proper motions proportion recede recess reckoned refraction remarkable render respect result revolution revolving right ascension ring 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