Who Speaks for Earth?
- El episodio se emitió el 21 dic 1980
- 1h
Añade un argumento en tu idiomaCarl Sagan considers the significance of science and discuss the importance of human survival in the nuclear age.Carl Sagan considers the significance of science and discuss the importance of human survival in the nuclear age.Carl Sagan considers the significance of science and discuss the importance of human survival in the nuclear age.