logo

Video encyclopedia

20/12/1996 Popular physicist dies

4:07

Carl Sagan

5:41

Carl Sagan On Alien Civilizations

15:45

Carl Sagan on The Tonight Show with Johnny Carson (full interview, March 2nd 1978)

6:42

Carl Sagan - Cosmos - Eratosthenes

1:01:53

Carl Sagan’s Best Arguments Of All Time - The Best Documentary Ever

American astronomer and exobiologist Carl Sagan is most known from his many appearances in popular science TV shows and his books for a general audience. He researched the climate of the planets and moons in the Solar System, speculated about nuclear winter on Earth and extra-terrestrial life and intelligence. Sagan also worked for on Mariner, Viking, and Voyager probes.
    • Essentials 

    • Personal 

    • Students 

    • Founded 

    • Influenced 

    • Inventions or discoveries 

    • Appearance 

    • Also related