The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas

3d magnitude 4th magnitude ancient angle appear Arcturus Argo Navis Aries astronomers Auriga axis Beta brightest called Cassiopeia celestial centre Cepheus circle cluster colure comet constellation Cor Caroli declination degree Denebola diameter direction distinguished diurnal motion Earth east ecliptic equal equator equinoctial figure fixed stars Gamma globe head heavenly bodies heavens Hercules Herschel horizon Hydra Jupiter latitude length Libra light longitude maps mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearest nearly nebulæ night node north pole northern observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolve right ascension rise satellites Saturn seasons seen side sidereal revolution Sirius situated small stars solar system solstice southern hemisphere spots Sun's supposed surface Taurus telescope tion triangle Ursa Ursa Major Venus vernal equinox Virgo visible whole number Zeta Zodiac