midnight sun Definition

acronycal, upsun, solar year, acronycally, parhelic circle, solar day, sidereal time, sidereal day, lucifugous, astronomical year, sun, first light, tellurion, sidereal year, tropical year, antiscian, sunblink, evection, lunistice, cosmic time, skyey, star chart, siderostat, inferior planet, nubecula, sabianism, total eclipse, solar telescope, sky, old moon, moonward, lunar year, equidiurnal, supersolar, moon, equinoctial point, almucantar, circumjovial, superlunar, subsolary, sunset, tropic of capricorn, tropic of cancer, sunrise, cloud over, periodic event, lunar month, cometarium, moonish, inner planet, superior planet, paraselene, break of day, proper motion, antisolar, aeroscopy, lunitidal, noonstead, sunfast, lunary, atmospheric condition, antichthon, geoselenic, mean solar day, sabaism, aprication, solarism, apricate, translunary, equinoctial circle, ray of light, obnubilation, international date line, uranoscopy, dusk, caliginosity, zodiacal light, enubilate, firmamental, lunicurrent, armil, cloud up, enubilous, sunlight, periscian, major planet, helioscope, night blindness, lucubratory, scotomy, spectrohelioscope, cloud bank, anomalistic year, solar constant, sunshine, subnuvolar, astrosphere, dawn chorus, occasive, dawn,