Popular Astronomy, Volume 38

appeared April Began Ended Total bright clouds comet computed Curtiss curve CYGNI diameter disk distance dome earth eclipse Ended Total Meteors Ephemeris Est.Obs Gegenschein HARLOW SHAPLEY Harvard College Observatory inches J.D.Est J.D.Est.Obs January June Jupiter latitude Lick Observatory lines longitude magnitude March Mars measures meridian meteor meteorite miles Miss month moon motion nebulae Neptune object Observatory orbit parallax perihelion perturbation photographic planet planetary plates POPULAR ASTRONOMY position Professor radial velocities Rate Cor.Rate reflector refractor reports right ascension solar spectra spectrograph spectrum SS CYGNI STAR OBSERVATIONS RECEIVED stellar telescope tion TRANS-NEPTUNIAN tube U. S. Naval Observatory University Uranus VARIABLE STAR OBSERVATIONS velocity visible Yerkes Observatory Zodiacal Light