earthshine, epsilon aurigae, celestial sphere, nebulosity, asterism, sundog, ecliptic, syrtis major, horsehead nebula, moonlet, photosphere, gibbous, cumulus cloud, omega centauri, aurorae, celestial equator, eclipsing binary, oort cloud, tarantula nebula, airglow, planetary nebula, occulted, occultation, starlike, chromosphere, umbra, andromeda galaxy, prograde, galactic equator, blackbody, isosceles triangle, nebula, coma berenices, asteroidal, unpolarized, sunward, puppis, trifid, jovian, spiral galaxy, retroreflector, circumstellar, penumbral, moonrise, capricornus, annular eclipse, cosmic microwave background, monoceros, astronomical telescope, torus, prominences, mesosphere, corona borealis, obscuration, spectroscopically, perihelion, underwings, ejecta, fomalhaut, small magellanic cloud, ellipse, radial velocity, axion, gravitational interaction, photometry, milky way galaxy, perigee, exosphere, filamentary, aphelion, equinoxes, altocumulus, heliosphere, quasicrystal, iridescence, sunspot, perseids, planitia, contrail, superposed, strange quark, orangish, extragalactic, triangulum, sfumato, sidereal, scarps, iapetus, themis, arcsecond, gnomon, convex lens, novae, periodicities, umbels, canis major, heliopause, mimas, mirrorlike, antineutrinos, cirrus, constellations

reflection, reflexion