nebulae, asterism, planets, canis major, pleiades, solstices, celestial sphere, equinoxes, omega centauri, celestial equator, aurorae, astronomy, nebulosity, monoceros, zodiacal light, perseids, coma berenices, meteor shower, earthshine, cepheus, ursa minor, sunrises, canes venatici, andromeda galaxy, corona borealis, epsilon aurigae, eclipsing binary, milky way galaxy, horsehead nebula, moons, telescopes, equinox, big dipper, stargaze, ecliptic, canis minor, celestial, cosmos, eridanus, celestial navigation, scorpius, prominences, novae, sidereal, algol, planetoids, photosphere, aurora borealis, puppis, achernar, capricornus, galaxies, landforms, beta centauri, trifid, starlight, betelgeuse, photometry, little dipper, occultation, celestial pole, cassiopeia, planetarium, bootes, moonrise, camelopardalis, cepheid variable, uranian, arcturus, astrometry, extragalactic, airglow, astronomers, orbits, corona australis, meteors, sundials, crescent, syrtis major, zodiac, radial velocity, longitudes, sky, luminosities, planetary nebula, quasars, triangulum, uranus, galactic plane, masers, autumnal equinox, ellipse, hyades, sundog, equilateral triangle, moonset, small magellanic cloud, thunderbirds, vernal equinox, tarantula nebula, noctilucent, oort cloud, constellation, objects, clans, forms, crafts, denominations, subdivisions, totems, centres, genera, kinds, luminaries, spheres, types, facets, groupings, items, locales, phyla, subfields

., asterismal, sidereal, zodiac, zodiacal