What is thomas gold the astronimer famous for?

Thomas Gold was an influential astronomer and astrophysicist known for his work on the nature of the universe and the origins of cosmic phenomena. He is particularly famous for proposing the "steady state" theory of the universe, which suggested that the universe is eternal and unchanging, with matter being continuously created to maintain a constant density. Gold also contributed to the understanding of pulsars and the cosmic microwave background radiation, as well as advancements in the fields of radio astronomy and the study of black holes.