A Popular Grammar of the Elements of Astronomy: Adapted to the Use of Students and Public Schools

altitude angle aphelion apparent diameter apsides Arcturus ascending node astronomical atmosphere axis Boötes called catalogue celestial body centre circle comet conjunction constellation declination degrees digits eclipsed direction disc diurnal motion double stars earth earth's orbit earth's shadow ecliptic limit equal equinoctial equinox fixed stars geocentric longitude globe greater greatest equation heavenly body heavens heliocentric heliocentric place hemisphere Hence Herschel horary motion horizon horizontal parallax Illus inclination inferior conjunction inferior planet Jupiter latitude less light limb lunar magnitude Mars mean distance Mercury meridian milky millions of miles minutes moon's orbit move nearest nearly nebulæ nebulosity nebulous matter observed opposition orbit order of distances passing perihelion Plate pole quadrant quadratures refraction retrograde revolves round right ascension Saturn seconds seen semidiameter small stars stationary sun and moon sun's supposed surface syzygies tance telescope tion umbra Uranus velocity Venus visible