Charles A. Jansky

Charles A. Jansky was an American engineer who made a groundbreaking discovery in the field of radio astronomy. In the 1930s, while working for Bell Laboratories, he identified radio waves emanating from cosmic sources outside our galaxy, specifically the Milky Way. His work revealed that the universe emits radio signals, opening up a new way to explore space. Jansky's discovery laid the foundation for modern radio astronomy, allowing scientists to study celestial objects and phenomena that are invisible to traditional optical telescopes. His contributions significantly advanced our understanding of the universe.