Ключевые слова: abstract, astrology, astronomy, background, bedtime, black, bright, celestial, concept, cosmos, crescent, dark, dream, element, full, galaxy, half, heaven, icon, illustration, image, isolated, light, lunar, meteorite, moon, moonlight, mysterious, nature, night, nighttime, orbit, pictogram, planet, satellite, science, shape, sign, simple, sky, sleep, space, sphere, surface, symbol, universe, weather, web, white,