moonrise, partial eclipse, lunar eclipse, annular eclipse, perseids, umbral, aphelion, occultation, meteor shower, celestial equator, sunrises, solar eclipse, annularity, equinoxes, perihelion, autumnal equinox, equinox, zodiacal light, sidereal, spring equinox, aurora, vernal equinox, perigee, asterism, solstices, longitudes, celestial sphere, syrtis major, meteors, triangulum, heliopause, epsilon aurigae, ecliptic, capricornus, constellations, earthshine, marquesas islands, ushant, shawwal, eclipse, summer solstice, sunset, hubble, equator, winter solstice, algol, sunspot, andromeda galaxy, woodcocks, daylight, meteoroids, prime meridian, greenwich mean time, dusk, celestial pole, obscuration, equatorial, canis major, mimas, quadrantid, aurora borealis, insolation, hilal, aurora australis, coma berenices, eridanus, jupiter, scorpius, flyby, canis minor, tuamotu archipelago, betelgeuse, lunisolar calendar, transits, twilights, milky way galaxy, blackburnian warbler, saturnian, anticyclones, blastoff, radial velocity, scarps, omega centauri, cloudiness, moon, obliquity, airglow, nebulae, puppis, galactic equator, storminess, phalguna, photometry, owling, daylight savings, optical telescope, magnifications, rainfall, taurid, thundery, magicicada, beta centauri