Carl Sagan The Castaway – Interview From 1981

Carl Sagan’s chosen discs https://www.youtube.com/playlist?list=PLb3O_2WT2VVu8X-BuofgqRFzoT3jgQYWn Carl Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences.