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Galaxies, vast collections of stars, gas, and dark matter, are not only beautiful to observe visually but also emit radio waves that can be studied through amateur radio astronomy. These radio waves allow us to peer into the heart of galaxies, revealing phenomena that are invisible to optical telescopes.

By detecting radio signals from galaxies, amateur radio operators can explore cosmic events such as star formation, supernova remnants, and even the mysterious activity surrounding black holes. Every galaxy tells a story, and through radio waves, we can listen to the distant echoes of the universe.