vernal equinox, autumnal equinox, equinoxes, spring equinox, solstices, summer solstice, winter solstice, celestial equator, perihelion, perigee, vernal, moonrise, aphelion, perseids, sidereal, lunar eclipse, tishri, occultation, ecliptic, candlemas, sextile, equator, lunar calendar, candlemas day, celestial sphere, earthshine, lunisolar calendar, moons, samhain, asterism, saturnian, annular eclipse, meteor shower, capricornus, sunrises, constellations, zodiacal light, sun, moonset, kislev, gregorian calendar, pleiades, paschal, celestial, uranian, cheshvan, uranus, heliopause, omer, hilal, sunspots, lupercalia, precession, auroras, shawwal, phenology, beltane, venusian, phalguna, trine, lunar, ophiuchus, zodiac, galactic equator, baisakh, tropopause, rosh chodesh, minima, ellipse, shevat, solar eclipse, orbits, cosmic ray, pagans, schlumbergera, celestial mechanics, sundials, moonless, mesosphere, phaethon, maxima, albedo, syrtis major, oort cloud, periodicities, quincunx, cirrus cloud, insolation, umbra, rogation, rosh hashanah, planets, moonlet, radians, climatological, epsilon aurigae, theophany, photometry, nightglow, latitudes, astronomers, photosphere, longitude, azimuth, entrance, contention, parities, sunrise, t., altitude, ap, battleground, complaint, convocation, date, grievance, hank, jerusalem, jordan, landfall

fall equinox, march equinox, september equinox

., aries, aries the ram, autumnal, celestial longitude, easter, equinoctial, equinoctial storm, harvest moon, line storm, noruz, nowrooz, nowruz, ra, ram, right ascension, summer, summertime, vernal, winter, wintertime

celestial point, cosmic time

equinoctial point