Ключевые слова: altitude, ambiance, astronomy, astrophotography, astrophysics, beauty, buildings, celestial, cosmic, dark, domes, dreamlike, environment, equipment, exploration, galaxy, high, horizon, illumination, infinity, landscape, location, milky, mountain, nature, night, observation, observatories, observatory, outdoor, peaceful, remote, research, scenic, science, serenity, silhouette, sky, skywatching, space, stargazing, stars, starscape, technology, telescope, tranquility, twilight, universe, vastness, way,