asterism, scorpius, capricornus, arcturus, pleiades, eridanus, betelgeuse, beta centauri, cepheus, celestial equator, achernar, proxima centauri, hyades, denebola, monoceros, corona borealis, hydrae, eclipsing binary, coma berenices, camelopardalis, planetary nebula, algol, ecliptic, puppis, triangulum, canis major, serpens, canes venatici, nebula, fomalhaut, omega centauri, spiral galaxy, mizar, aurigae, pollux, canis minor, orionis, milky way galaxy, horsehead nebula, delphinus, motherboard, cassiopeia, cygni, ghz, tarantula nebula, small magellanic cloud, hydrus, constellation, ophiuchus, zodiacal light, nebulosity, little dipper, trifid, celestial sphere, heliopause, large magellanic cloud, mintaka, chromosphere, aldebaran, lyrae, cepheid variable, piscis austrinus, epsilon aurigae, andromeda galaxy, dubhe, supernova, syrtis major, bootes, procyon, arcsecond, vulpecula, aphelion, photosphere, big dipper, fornax, cetus, epsilon, quasar, perigee, tauri, ursa minor, lucida, luminosities, protostar, equilateral triangle, autumnal equinox, alpha centauri, phobos, turion, epimetheus, celestial pole, caudal fin, crucis, quadrics, anal fin, equinoxes, vertices, galactic equator, galaxy, occultation, moonlet, cygnus