Aerospace science encompasses the study of aircraft and spacecraft, including the design, construction, and operation of vehicles that travel through the Earth's atmosphere and beyond. It involves principles of aerodynamics, materials science, propulsion systems, and navigation. One of the key advancements in aerospace science was the development of jet engines. The first jet engine was invented by Sir Frank Whittle in 1930, leading to the creation of the first jet aircraft, the German Messerschmitt Me 262, during World War II. Jet engines revolutionized aviation by providing faster speeds and greater efficiency compared to traditional propeller-driven aircraft. Another important aspect of aerospace science is space exploration. The Soviet Union launched the first artificial satellite, Sputnik 1, into orbit on October 4, 1957, marking the beginning of the Space Age. Since then, numerous advancements have been made in space technology, including manned space missions, space probes, and the exploration of other planets in our solar system. Overall, aerospace science continues to push the boundaries of human knowledge and exploration, shaping the future of space travel and technology.