Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
З цієї книги
Результати 1-5 із 100
Сторінка xii
... ecliptic . Celestial latitudes and longitudes . 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 ...
... ecliptic . Celestial latitudes and longitudes . 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 ...
Сторінка xiv
... ecliptic . 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 ...
... ecliptic . 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 ...
Сторінка 183
... ecliptic on either side , crossing and recrossing it at regular and equal intervals of time , and confining themselves within a zone , or belt ( the zodiac already spoken of ) , extending ( with certain exceptions among the smaller ...
... ecliptic on either side , crossing and recrossing it at regular and equal intervals of time , and confining themselves within a zone , or belt ( the zodiac already spoken of ) , extending ( with certain exceptions among the smaller ...
Сторінка 184
... ecliptic among the stars may , for our present purpose , be regarded as invariable . It is true that this is not ... ecliptic , like those of any other great circle of the sphere , are opposite points on its surface , equidistant from ...
... ecliptic among the stars may , for our present purpose , be regarded as invariable . It is true that this is not ... ecliptic , like those of any other great circle of the sphere , are opposite points on its surface , equidistant from ...
Сторінка 185
... ecliptic to the equinoctial ( 23 ° 28 ′ ) , which is called the obliquity of the ecliptic . In the next figure , if P p repre- sent the north and south poles ( by which when used without qualification we always mean the poles of the ...
... ecliptic to the equinoctial ( 23 ° 28 ′ ) , which is called the obliquity of the ecliptic . In the next figure , if P p repre- sent the north and south poles ( by which when used without qualification we always mean the poles of the ...
Інші видання - Показати все
Загальні терміни та фрази
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