Dr. Sagan compares explorers who ventured in sailing ships halfway around our planet in their quest for wealth and knowledge to the excitement around Voyager's expeditions to Jupiter and Saturn.
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Cosmos | Heaven and Hell | PBS (#104)
Full Program: A descent through the hellish atmosphere of Venus to explore its broiling surface serves as a warning to our world... 01:01:05
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Cosmos | Who Speaks for Earth?... (#113)
Full Program: This is the famous episode on nuclear war in which Dr. Sagan argues that our responsibility for survival is owed... 01:02:02
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Cosmos | One Voice in the Cosmic... (#102)
Full Program: Dr. Sagan's cosmic calendar makes the history of the universe understandable and frames the origin of the Earth and... 01:00:09
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Cosmos | The Persistence of... (#111)
Full Program: The brain is the focus of this fascinating portion of our journey as Dr. Sagan examines another of the intelligent... 58:25
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Cosmos | The Edge of Forever | PBS (#110)
Full Program: Dr. Sagan leads us to a time when galaxies were beginning to form, and to show how humans of this century... 01:03:06
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Cosmos | The Lives of the Stars... (#109)
Full Program: Using computer animation and amazing astronomical art, Dr. Sagan shows how stars are born, live, die and sometimes... 59:26
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Cosmos | Travels in Space and... (#108)
Full Program: A voyage to see how star patterns change over millions of years is followed by a journey to the planets of other... 01:01:25
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Cosmos | The Harmony of the... (#103)
Full Program: This episode is a historical re-creation of the life of Johannes Kepler, the last scientific astrologer, the first... 58:31
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Cosmos | The Shores of the Cosmic... (#101)
Full Program: At the beginning of this cosmic journey across space and time, Dr. Carl Sagan takes us to the edge of the universe... 01:05:10
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Cosmos | Encyclopedia Galactica... (#112)
Full Program: Are there alien intelligences? How could we communicate with them? The answers to these questions take us to Egypt to... 01:00:46
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Cosmos | The Backbone of Night... (#107)
Full Program: Humans once thought the stars were campfires in the sky and the Milky Way "the backbone of night." 58:37
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Cosmos | Blues for a Red Planet... (#105)
Full Program: Is there life on Mars? Dr. Sagan takes viewers on a tour of the red planet first through the eyes of science fiction... 01:01:11
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PBS NewsHour | Juno Spacecraft...
Full Program: NASA's Atlas V rocket will lift off at 11:34 am ET. 02:35:38
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PBS NewsHour | Asteroid Is a... (#10120)
Asteroid Is a Dance Partner for Planet Earth 04:31
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NOVA scienceNOW | Origins of the... (#505)
A supernova may have triggered the formation of our sun and planets 13:03
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NOVA scienceNOW | 10th Planet | PBS
A discovery in our solar system raises questions about what makes a planet a planet. 05:28
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The Earth in the Universe |...
Full Program: Designed to introduce key earth science concepts, this series also gives an overview of the interactions of life on... 01:38
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Symphony of Science | 'The...
"The Case for Mars" is the sixth installment in the Symphony of Science music video series. It features Robert Zubrin,... 04:00
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SEEING IN THE DARK | Excerpt | PBS
A visually stunning ode to time, music, and the stars, Timothy Ferris' SEEING IN THE DARK celebrates the wonders of... 03:46
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Post Date: March 19, 2009








