eclipsing binary, puppis, monoceros, canes venatici, aurigae, cepheus, eridanus, horsehead nebula, canis major, asterism, cygni, coma berenices, proxima centauri, omega centauri, trifid, constellation, small magellanic cloud, ursa minor, lyrae, serpens, beta centauri, cepheid variable, epsilon aurigae, hydrae, achernar, betelgeuse, nebula, luminosities, epimetheus, planetary nebula, hydrus, algol, sundog, cassiopeia, mizar, triangulum, orionis, tarantula nebula, circinus, capricornus, vulpecula, prograde, coronagraph, protostar, hyades, fomalhaut, canis minor, large magellanic cloud, milky way galaxy, hadron, phaethon, corot, pleiades, syrtis major, astrometry, fornax, mimas, parsec, photosphere, corona borealis, andromeda galaxy, supernova, alpha centauri, deneb, naut, saturnian, spiral galaxy, edmond halley, sidereal, denebola, delphinus, novas, uranian, celestial sphere, jupiter, retroreflector, doppler effect, oph, radial velocity, arae, chamaeleon, edmund halley, hubble, airglow, borealis, fossae, baryon, tycho brahe, piscis austrinus, quadrantid, scorpius, photometer, extragalactic, orcus, synchronous orbit, icosahedral, corona australis, arcturus, lune, jovian, polarimetry, tauri