Ключевые слова: aerial, altitude, atmosphere, aviation, blue, blues, cloud, clouds, curvature, earth, flight, haze, hazy, horizon, horizons, horizontal, infinity, nature, ocean, pacific, perspective, planet, radiant, radiation, science, shades, skies, sky, space, spectrum, stratosphere, sunrise, sunrises, sunset, sunsets, travel, traveling, travelling, view, weather,