Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xiii
... Jupiter's satellites . Their eclipses , etc. Velocity of light discovered by their means . Satellites of Saturn —of Uranus — of Neptune - CHAPTER XI . OF COMETS . 324 Great number of recorded comets . The number of those unrecorded ...
... Jupiter's satellites . Their eclipses , etc. Velocity of light discovered by their means . Satellites of Saturn —of Uranus — of Neptune - CHAPTER XI . OF COMETS . 324 Great number of recorded comets . The number of those unrecorded ...
Сторінка xv
... Jupiter and Saturn . Law of reciprocity between the periodical variations of the elements of both planets . Long inequality of the Earth and Venus . Variation of the epoch . Inequalities incident on the epoch affecting the mean motion ...
... Jupiter and Saturn . Law of reciprocity between the periodical variations of the elements of both planets . Long inequality of the Earth and Venus . Variation of the epoch . Inequalities incident on the epoch affecting the mean motion ...
Сторінка 44
... Jupiter in the clearer skies of tropical countries , are often visible , without any artificial aid , to the naked eye of one who knows nearly where to look for them . During total eclipses of the sun , the larger stars also appear in ...
... Jupiter in the clearer skies of tropical countries , are often visible , without any artificial aid , to the naked eye of one who knows nearly where to look for them . During total eclipses of the sun , the larger stars also appear in ...
Сторінка 45
... Jupiter in the clearer skies of tropical countries , are often visible , without any artificial aid , to the naked eye of one who knows nearly where to look for them . During total eclipses of the sun , the larger stars also appear in ...
... Jupiter in the clearer skies of tropical countries , are often visible , without any artificial aid , to the naked eye of one who knows nearly where to look for them . During total eclipses of the sun , the larger stars also appear in ...
Сторінка 162
... Jupiter's satellites , of which we shall speak more at large when we come to treat of those bodies . Every such eclipse is an event which possesses one great advantage in its appli- cability to the purpose in question , viz . that the ...
... Jupiter's satellites , of which we shall speak more at large when we come to treat of those bodies . Every such eclipse is an event which possesses one great advantage in its appli- cability to the purpose in question , viz . that the ...
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amount angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve degree described diameter difference direction disc distance disturbing body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination increase inequality instance interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian micrometrical moon moon's motion nearly nebula node normal force nutation object observed orbit parallax perigee perihelion period perturbations planet planetary pole portion position Post 8vo precession proper motion proportion recede recess refraction remarkable respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith