Sagittarius The Archer some stars: Rukbat - "knee" Arkab Prior - "hamstring" Arkab Posterior - "hamstring" Nash - "arrowhead" Kaus Meridionalis - "bow" middle Kaus Australis - "bow" southern Ascella - "armpit" Nunki - "of Enki", Sumerian god of waters & of most ancient city of Eridu contains some Messier objects contains center of Milky Way