Ключевые слова: art, astronomy, background, blue, celebration, christmas, christmas tree, constellation, cosmos, dark, darkness, fir, forest, full, galaxy, glowing, halloween, heaven, high, hill, landscape, light, milky way, mood, moon, moonlight, mountain, nature, nebula, new, night, nighttime, park, pine, scenic, science, season, silhouette, sky, snow, space, star, starry, stars, tree, trees, universe, winter, woods, year,