andromeda galaxy, protostar, eclipsing binary, asterism, betelgeuse, proxima centauri, gravitational interaction, canis major, celestial sphere, moonlet, nebulosity, orbits, eridanus, omega centauri, jovian, milky way galaxy, monoceros, large magellanic cloud, spiral galaxy, planetary nebula, trifid, planetoid, phaethon, cepheus, serpens, nebula, galaxy, saturnian, small magellanic cloud, canes venatici, corona australis, oort cloud, baryon, aurigae, cygni, epsilon aurigae, hydrae, extragalactic, syrtis major, puppis, ecliptic, capricornus, galactic, gravitational attraction, supergiant, camelopardalis, prograde, alpha centauri, heliopause, airglow, fomalhaut, epimetheus, cepheid variable, neutron star, ursa minor, zodiacal light, horsehead nebula, celestial equator, radial velocity, corot, tarantula nebula, aphelion, novae, occultation, pleiades, hyades, coma berenices, asteroid, corona borealis, antiparticle, canis minor, aurorae, mimas, planets, iapetus, luminosities, perihelion, photosphere, parsecs, comet, plagioclase, taurid, hubble constant, supercontinent, hadrons, algol, astrometry, beta centauri, scorpius, supernovae, ejecta, umbral, orionis, quasar, galactic equator, dipolar, chondrites, arcsecond, arcturus, nucleosynthesis, sidereal, landmasses

circinus