Radio

Radio is a communication technology that uses electromagnetic waves to transmit information, such as sound, from one point to another through the atmosphere or space. In space and astronautical engineering, radio communication is essential for transmitting data and commands between spacecraft and ground stations. Radio waves can penetrate the Earth's atmosphere and travel through space, making it a reliable means of communication for deep space missions. Radio communication is also used for tracking and navigation of spacecraft, as well as for remote sensing of planets and other celestial bodies. In addition, radio astronomy uses radio waves to study the universe and detect objects that are not visible with optical telescopes.
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