Ключевые слова: astrology, astronomy, black, blue, celestial, cluster, comet, constellation, cosmos, dark, deep, earth, explosion, galactic, galaxy, glow, hydrogen, interstellar, light, messier, moon, nebula, ngc, night, orbit, planet, planetarium, planetary, plasma, pole, red, rotation, sky, solar, spiral, star, sun, supernova, telescope, trails, universe,