Ключевые слова: abstract, astrology, astronomy, background, bedtime, bright, celestial, clipart, concept, crescent, dark, diagonal, dream, element, full, gradient, gray, grid, half, heaven, icon, illustration, image, inclined, isolated, light, lunar, modern, moon, moonlight, nature, night, nighttime, object, planet, satellite, sign, silhouette, simple, sky, sleep, space, star, surface, symbol, transparent, web, white,