56.126 Views
Dr. Sagan's cosmic calendar makes the history of the universe understandable and frames the origin of the Earth and the evolution of life. We see the evolutionary process unfold, from microbes to humans.
Our understanding of how life developed on Earth enables us to venture to other worlds for imaginative speculations on what forms life might take elsewhere.
First Air Date : Sep 28, 1980
Last Air date : Dec 21, 1980
Episode : 13 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: PBS
Country: United Kingdom, United States of America
Cast: Carl Sagan
