4th Dimension - Tesseract, 4th Dimension Made Easy - Carl Sagan
Carl Sagan Biography (english audio) A Cosmic Celebrity
Carl Sagan On Alien Civilizations
Carl Sagan on The Tonight Show with Johnny Carson (full interview, March 2nd 1978)
American astronomer and exobiologist Carl Sagan is most known from his many appearances in popular science TV shows and his books for a general audience. He researched the climate of the planets and moons in the Solar System, speculated about nuclear winter on Earth and extra-terrestrial life and intelligence. Sagan also worked for on Mariner, Viking, and Voyager probes.
Explore contextually related video stories in a new eye-catching way. Try Combster now!