Radio galaxies are a type of galaxy that emit strong radio waves, which are a form of electromagnetic radiation. These galaxies often contain supermassive black holes at their centers, which can accelerate particles to nearly the speed of light. As these particles interact with magnetic fields, they produce powerful jets that extend far beyond the galaxy itself, creating radio emissions detectable by radio telescopes. The study of radio galaxies helps astronomers understand the evolution of galaxies and the role of black holes in the universe. Notable examples include the Giant Metrewave Radio Telescope and the Hubble Space Telescope, which have provided valuable insights into these fascinating cosmic structures.