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Cosmos: A Personal Voyage

Episode 13 - Who Speaks for Earth?. Sagan reflects on the future of humanity and the question of "who speaks for Earth?" when meeting extraterrestrials. He discusses the very different meetings of the Tlingit people and explorer Jean-Francois de La Perouse with the destruction of the Aztecs by Spanish conquistadors, the looming threat of nuclear warfare, and the threats shown by destruction of the Library of Alexandria and the murder of Hypatia. The episode ends with an overview of the beginning of the universe, the evolution of life, and the accomplishments of humanity and makes a plea to mankind to cherish life and continue its journey in the cosmos. (from wikipedia.org)

Episode 13 - Who Speaks for Earth?


Go to Cosmos: A Personal Voyage Home or watch other episodes:

Episode 01 - The Shores of the Cosmic Ocean
Episode 02 - One Voice in the Cosmic Fugue
Episode 03 - The Harmony of the Worlds
Episode 04 - Heaven and Hell
Episode 05 - Blues for the Red Planet
Episode 06 - Traveler's Tales
Episode 07 - The Backbone of Night
Episode 08 - Journeys in Space and Time
Episode 09 - The Lives of the Stars
Episode 10 - The Edge of Forever
Episode 11 - The Persistence of Memory
Episode 12 - Encyclopedia Galactica
Episode 13 - Who Speaks for Earth?