This is the famous episode on nuclear war in which Dr. Sagan argues that our responsibility for survival is owed not just to ourselves, but also to the cosmos, ancient and vast, from which we spring.
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The brain is the focus of this fascinating portion of our journey as Dr. Sagan examines another of the intelligent creatures with whom we share the planet Earth — whales.
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Are there alien intelligences? How could we communicate with them? The answers to these questions take us to Egypt to decode ancient hieroglyphics, and to the largest radio telescope on Earth.
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Dr. Sagan leads us to a time when galaxies were beginning to form, and to show how humans of this century discovered the expanding universe and its origin in the big bang.
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A voyage to see how star patterns change over millions of years is followed by a journey to the planets of other stars, and a look at the possibility of time travel.
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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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Using computer animation and amazing astronomical art, Dr. Sagan shows how stars are born, live, die and sometimes collapse to form neutron stars or black holes.
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Is there life on Mars? Dr. Sagan takes viewers on a tour of the red planet first through the eyes of science fiction authors, and then through the unblinking eyes of two Viking spacecraft.
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At the beginning of this cosmic journey across space and time, Dr. Carl Sagan takes us to the edge of the universe aboard a spaceship of the imagination.
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This episode is a historical re-creation of the life of Johannes Kepler, the last scientific astrologer, the first modern astronomer and the author of the first science fiction novel.
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