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Radio astronomy is the study of celestial objects and phenomena through the detection and analysis of radio waves emitted by stars, galaxies, planets, and other astronomical bodies. This branch of astronomy uses specialized radio telescopes to observe and collect data on these radio emissions, providing valuable insights into the composition, structure, and behavior of objects in the universe. Radio astronomy allows scientists to study a wide range of phenomena, including pulsars, quasars, cosmic microwave background radiation, and the distribution of hydrogen gas in galaxies. By analyzing radio signals from space, researchers can uncover new information about the origins and evolution of the universe.