Ключевые слова: abstract, astronomy, background, beautiful, beauty, black, calm, celestial, circular motion, color, constellation, dark, exposure, harmony, japan, landscape, motion, movement, nature, night, night northern sky, night scene, north, outdoor, pattern, polaris, quiet, round, science, season, shape, silhouette, sky, space, spring, star, star trajectory, starry sky, the big dipper, the stars, trace, tranquility, tree,