Outlines of Astronomy |
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Page xxiv
... equinoxes . Nutation . Aberration . Refraction . Parallax . Summary view of the uranographical cor- rections - 190 • CHAPTER VI . OF THE SUN'S MOTION AND PHYSICAL CONSTITUTION . Apparent motion of the Sun not uniform . Its apparent ...
... equinoxes . Nutation . Aberration . Refraction . Parallax . Summary view of the uranographical cor- rections - 190 • CHAPTER VI . OF THE SUN'S MOTION AND PHYSICAL CONSTITUTION . Apparent motion of the Sun not uniform . Its apparent ...
Page xxiv
... equinoxes . Nutation . Aberration . Refraction . Parallax . Summary view of the uranographical cor- rections · 190 - · CHAPTER VI . OF THE SUN'S MOTION AND PHYSICAL CONSTITUTION . · Apparent motion of the Sun not uniform . Its apparent ...
... equinoxes . Nutation . Aberration . Refraction . Parallax . Summary view of the uranographical cor- rections · 190 - · CHAPTER VI . OF THE SUN'S MOTION AND PHYSICAL CONSTITUTION . · Apparent motion of the Sun not uniform . Its apparent ...
Page xxvi
... equinoxes explained . Nutation . Prin- ciple of forced vibrations · 410 CHAPTER XIII . THEORY OF THE AXES , PERIHELIA , AND EXCENTRICITIES . Variation of elements in general . Distinction between periodic and secular variations ...
... equinoxes explained . Nutation . Prin- ciple of forced vibrations · 410 CHAPTER XIII . THEORY OF THE AXES , PERIHELIA , AND EXCENTRICITIES . Variation of elements in general . Distinction between periodic and secular variations ...
Page 63
... Equinox , and the point in the same circle to which it is referred by the circle of declination passing through it . Or it is the angle included between two hour circles , one of which passes through the vernal equinox ( and is called ...
... Equinox , and the point in the same circle to which it is referred by the circle of declination passing through it . Or it is the angle included between two hour circles , one of which passes through the vernal equinox ( and is called ...
Page 64
... equinox , and are estimated either in degrees , minutes , and seconds , as in the case of terrestrial longitudes , from 0 ° to 360 ° , which completes the circle ; or , in time , in hours , minutes , and seconds , from Oh . to 24h . The ...
... equinox , and are estimated either in degrees , minutes , and seconds , as in the case of terrestrial longitudes , from 0 ° to 360 ° , which completes the circle ; or , in time , in hours , minutes , and seconds , from Oh . to 24h . The ...
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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