Ключевые слова: aerospace industry, air, air vehicle, aircraft, aircraft wing, airplane, airplane silhouette, astronomy, astrophotography, atmosphere, background, blue, clear sky, cloud, commercial airplane, contrail, cosmos, dark, direction, distant, dusk, engine, flight, fly, flying, in silhouette, jet, jet engine, journey, mode of transport, moon, moon surface, moonlight, nature, night, outer space, plane, silhouette, sky, speed, transport, transportation, travel, twilight, vapor trail,