Ключевые слова: abstract, astrology, astronomy, background, black, blue, caldwell, celestial, cloud, constellation, cosmic, cosmos, cygnus, deneb, design, emission, galaxy, hubble, hydrogen, images, infinity, infrared, interstellar, light, milky, milky way, nasa, nebula, new, night, night sky, night sky with stars, north america, north america nebula, open cluster, outer, outer space, science, sky, space, star, star field, starlit, starry, stellar, supernova, telescope, universe, way,