The Call of the Stars: A Popular Introduction to a Knowledge of the Starry Skies

Alpha Andromeda appear Aratus Arcturus astronomer beautiful Beta Boötes brighter brightest brilliant called Capella Capricornus Cassiopeia celestial Cepheus Cetus cluster colour comet companion star constellation crater cross motion degrees Delta diameter Dipper disk distance double star Earth east eclipse Epsilon equator equinox feet four fourth-magnitude star Gamma half heavens hemisphere horizon hundred Jupiter known light years distant lunar marked Mars meridian meteors miles a second Milky million miles minutes Moon naked eye nearly nebula Neptune night northern Observatory PLATE observer Ophiuchus orbit Orion Paris Observatory Pegasus period Perseus planet planetoids Pleiades pole Pollux principal star proper or cross revolves satellite Saturn Scorpion second magnitude seen Sirius sixth magnitude solar system southern spectroscope spectroscopic binary surface tail telescope third-magnitude star tion triangle Uranus Ursa Major variable variable star Vega Venus vernal equinox visible Yerkes Observatory zenith Zeta zodiac