canis major, capricornus, canis minor, cepheus, pleiades, asterism, hyades, scorpius, deneb, arcturus, puppis, camelopardalis, procyon, proxima centauri, betelgeuse, canes venatici, constellation, eridanus, beta centauri, triangulum, hydrae, delphinus, celestial equator, ursa minor, fornax, ecliptic, cassiopeia, serpens, aurigae, coma berenices, denebola, cygnus, little dipper, uranus, alcyone, regulus, fomalhaut, trifid, planetary nebula, algol, horsehead nebula, lacerta, corona borealis, orionis, milky way galaxy, nebula, tauri, scutum, big dipper, dubhe, cygni, monoceros, celestial sphere, celestial pole, mizar, eclipsing binary, protostar, achernar, omega centauri, orcus, ophiuchus, syrtis major, novas, trine, aldebaran, mandragora, phobos, circinus, chamaeleon, mintaka, retrogrades, corot, conjunct, cetus, vulpecula, prograde, lyrae, bootes, boreas, luminosities, airglow, ganymede, circlet, roman mythology, perigee, quadrantid, fossae, atlantis, nebulosity, chromosphere, planetoids, astrometry, hydrus, semele, jovian, celestial, seraph, tarantula nebula, leonis, amaterasu, putti, epsilon aurigae, apollo, tennyson, townsman, aristocrat, aristotle, australians, bard, boatman, booby, castor, cavalryman, douglass, dunce, edwards, galen, gibbon, helena, herodotus, homer, hugo

alpha geminorum, castor

star