A Dialogue: A Conversation with Carl Sagan and Ted Turner
1989 · 44 min · Documentary
Updates a number of themes from the Cosmos television series. Turner and Sagan discuss issues that are vital to our survival: pollution, the greenhouse effect, and nuclear weapons. Dr. Sagan explains the benefits of our space program and the possibility of time travel.
- Released
- November 1, 1989
- Language
- English
Cast
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