partial eclipse, annular eclipse, celestial equator, zodiacal light, celestial sphere, aphelion, syrtis major, penumbra, perihelion, annularity, asterism, capricornus, synchronous orbit, ecliptic, sidereal, obscuration, perigee, oort cloud, photosphere, moonset, heliopause, nebulosity, moonlet, epsilon aurigae, earthshine, occultation, nebula, heliosphere, magnetosphere, northeastwards, meteoroids, exosphere, milky way galaxy, sundog, ejecta, prograde, andromeda galaxy, planetary nebula, triangulum, galactic equator, mimas, tarantula nebula, prime meridian, chromosphere, cumulus cloud, solar eclipse, moonrise, monoceros, iapetus, equilateral triangle, planitia, protostar, crustal plate, small magellanic cloud, sextile, coma berenices, equator, interstellar space, galaxy, troposphere, southwestward, spiral galaxy, fovea, ellipse, comet, tropopause, lithosphere, corona, omega centauri, planetoid, puppis, magnetopause, tuamotu archipelago, eridanus, orbits, northwestwards, jovian, aurora, plastron, lunar eclipse, plagioclase, baryon, anticyclone, cirrus, quadrantid, arcsecond, perseids, autumnal equinox, corona australis, isosceles triangle, equatorial, meteor shower, mesosphere, equinox, landmass, transept, proxima centauri, airglow, gravitational interaction, spathe, starlight, horsehead nebula, crater, dome, cone, pile, square, tent, tunnel, wedge, cave, cavern, cella, ditch, drum, mound, nucleolus, piazza, pond, pool, rectangle, reef

penumbra, penumbral

shadow