civil

celestial sphere, celestial equator, occultation, perihelion, solstices, gibbous, venusian, equinoxes, oort cloud, saturnian, obliquity, equinox, eclipsing binary, ecliptic, ephemeris, epsilon aurigae, celestial mechanics, aphelion, capricornus, photosphere, jupiter, asterism, sextile, radians, vernal equinox, baryon, zodiacal, longitudes, luminosities, umbral, parsec, azimuthal, calendrical, prograde, jovian, uranian, proxima centauri, zodiacal light, annularity, nebular, sunspot, syrtis major, periodicities, heliopause, spring equinox, antineutrinos, hubble, celestial, blackbody, geoid, airglow, galactic equator, moonrise, infinity, annular eclipse, maxima, polarimetry, earthshine, radial velocity, ophiuchus, ellipsoid, extragalactic, penumbral, prominences, arcsecond, aether, hubble constant, hadron, einsteinian, neptunian, geomagnetic, occulted, perigee, cartesian coordinates, corot, quadrantid, cosmological, autumnal equinox, aeon, synchronous orbit, algol, isotherms, triangulum, lagrangian, dimensionless, geocentric, noosphere, camelopardalis, photometry, astrometry, uranus, unpolarized, astrological, kev, hadean, hexagram, cosmos, gnomon, chondrites, tropopause, novas, omega centauri, latitude, chronometers, diurnal, equator, gyres, longitude, noon, noons, polar, abundance, altitude, biodiversity, brightening, circulations, coincide, conjunction, consumption, convergences, cyclones, departures, lunar, astronomical, astral, astronomic, planetary, atlantean, eclipse, halcyon, siderial, solar, calendric, chaotic, cloudless, cometary, corporeal, cosmical, sublunary

lunar day, sidereal hour