Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page xii
... Precession of the equinoxes . Nutation . Aberration Refraction . Parallax . Summary view of the uranographical cor- rections · - 176 · CHAPTER VI . OF THE SUN'S MOTION . Apparent motion of the Sun not uniform . Its apparent diameter ...
... Precession of the equinoxes . Nutation . Aberration Refraction . Parallax . Summary view of the uranographical cor- rections · - 176 · CHAPTER VI . OF THE SUN'S MOTION . Apparent motion of the Sun not uniform . Its apparent diameter ...
Page xiv
... Precession of the equinoxes explained . Nutation . Prin- ciple of forced vibrations - 378 CHAPTER XIII . THEORY OF THE AXES , PERIHELIA , AND EXCENTRICITIES . Variation of elements in general . Distinction between periodic and secular ...
... Precession of the equinoxes explained . Nutation . Prin- ciple of forced vibrations - 378 CHAPTER XIII . THEORY OF THE AXES , PERIHELIA , AND EXCENTRICITIES . Variation of elements in general . Distinction between periodic and secular ...
Page xvi
... precession . Incommensurability of the day and year . Its incon- venience . How obviated . The Julian Calendar . Irregularities at its first introduction . Reformed by Augustus . Gregorian reformation . Solar and lunar cycles ...
... precession . Incommensurability of the day and year . Its incon- venience . How obviated . The Julian Calendar . Irregularities at its first introduction . Reformed by Augustus . Gregorian reformation . Solar and lunar cycles ...
Page 176
... PRECESSION OF THE EQUINOXES . - NUTATION . -ABERRATION . - REFRACTION . - PARALLAX . -SUMMARY VIEW OF THE URANOGRAPHICAL CORRECTIONS . ( 290. ) THE determination of the relative situations of objects in the heavens , and the ...
... PRECESSION OF THE EQUINOXES . - NUTATION . -ABERRATION . - REFRACTION . - PARALLAX . -SUMMARY VIEW OF THE URANOGRAPHICAL CORRECTIONS . ( 290. ) THE determination of the relative situations of objects in the heavens , and the ...
Page 188
... precession of the equinoxes , because the place of the equinox among the stars , at every subsequent moment , precedes ( with reference to the diurnal motion ) that which it held the moment before . The amount of this motion by which ...
... precession of the equinoxes , because the place of the equinox among the stars , at every subsequent moment , precedes ( with reference to the diurnal motion ) that which it held the moment before . The amount of this motion by which ...
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Common terms and phrases
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