ChannelHopper.org > Carl Sagan
Carl Sagan was an American astronomer, astrophysicist, author, and science communicator. He was a pioneer in the study of the atmospheres of planets and the search for extraterrestrial intelligence. Sagan's popular science series "Cosmos: A Personal Voyage" has been seen by over 600 million people worldwide, and his contributions to science education and public understanding of science continue to be recognized and celebrated today. He passed away in 1996.
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the l...
Find out more, including where to stream or buy >The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.
Find out more, including where to stream or buy >