Ключевые слова: astronomy, black, blue, bright, clouds, constellation, cosmos, dark, deep, duck, fantasy, forest, galaxy, idyllic, karelia, landscape, light, mystery, nature, night, nightfall, nobody, noctilucent, north, northern, outdoor, scene, shine, shiny, silence, silhouette, silver, sky, space, starry, stars, stratosphere, tranquility, tree, twilight, universe,