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And Astronomer Astronomy Astrophysics Best Carl Cosmos Earth Education Educational Episode Eratosthenes Greece Greek Model Of Round Sagan Sagans Science Scientists SETI Space The Universe
Intelligence (SETI). He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series “Cosmos: A Personal Voyage”, which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history. A book to accompany the program was also published. He also wrote the novel “Contact”, the…
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