Carl Edward Sagan, Ph.D. (November 9, 1934 – December 20, 1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI).
He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series Cosmos: A Personal Voyage, which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS (Public Broadcasting Service) program in history – Source Wikipedia
In this first video Carl Sagan discusses the curves and warps of space-time. This clip is from Carl Sagan’s Cosmos episode 10, “The Edge of Forever.”
Bonus Video – A Pale Blue Dot by Carl Sagan
The Pale Blue Dot is a photograph of planet Earth made by Voyager 1 from a record distance, showing it against the vastness of space. It is also the title of a 1994 book by astronomer Carl Sagan that was inspired by the photo.
Extra Bonus Video! – Contact
A thought provoking clip from the movie ‘Contact’ (1997) starring Jodie Foster, and based on the book Contact, written by Carl Sagan...
A brief synopsis of this great movie – Dr. Eleanor Arroway has spent her life searching for truth in the study of radio astronomy. When Ellie discovers a stunning message from an extraterrestrial intelligence, they and everyone on Earth will be forced to challenge their own assumptions…
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