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

altitude angle aphelion apparent diameter apsides Arcturus Aries ascending node astronomical atmosphere axis Boötes called 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 emersions equal equinoctial equinox excentricity fixed stars geocentric longitude globe greater greatest equation heavenly bodies heavens heliocentric heliocentric place hemisphere Hence Herschel horary motion horizon horizontal parallax Illus inclination inferior conjunction inferior planet Jupiter latitude less Libra light lunar Mars mean distance Mercury meridian milky millions of miles minutes moon's orbit move nearest nearly nebulosity nebulous matter observed opposition orbit order of distances parallax passing perihelion perpendicular Plate pole quadratures refraction retrograde right ascension rising Saturn seconds seen semidiameter small stars sphere spots stationary sun and moon sun's superior planet supposed surface syzygies tance telescope tion umbra Uranus velocity Venus visible