Ключевые слова: abstract, astronomy, atmosphere, backgrounds, blue, brightly, cloud, dark, dawn, day, dusk, earth, environment, futuristic, galaxy, global, glowing, horizon, illuminated, illustration, landscape, light, map, milky way, natural phenomenon, nature, nebula, night, orbiting, outdoors, planet, satellite, science, shining, sky, space, sphere, star, stratosphere, sun, sunlight, sunrise, sunset, technology, topography, travel, wave, world,