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  • 59:34 Carl Sagan Christmas lecture 2 - The Outer Solar System and Life

    Carl Sagan Christmas lecture 2 - The Outer Solar System and Life

    156 views / 0 likes - added

    From ancient organisms to the plants and animals we see today, our planet showcases a spectacular array of life. But beneath such diversity lies an underlying unity. All life on Earth is based on two molecules (the proteins and the nucleic acids) and the

  • 59:38 Carl Sagan Christmas Lectures 3 - The History of Mars

    Carl Sagan Christmas Lectures 3 - The History of Mars

    139 views / 0 likes - added

    Cold, arid, and tens of millions of miles away from Earth, Mars has intrigued scientists for centuries. The existence of liquid on its surface was confirmed by NASAs flyby mission, Mariner 4, in 1965, but the question of whether life exists on our neighbo

  • 04:58 Carl Sagan - Cosmos - Cosmic Calendar

    Carl Sagan - Cosmos - Cosmic Calendar

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    Carl Sagan - Cosmos - Cosmic CalendarCopyright Democritus Properties, LLCFrom: COSMOS: A SpaceTime Odyessey, Written by Ann Druyan and Steven Soter Cosmos Studios, Inc., Copyright 2013

  • 03:27 Carl Sagan's Pale Blue Dot OFFICIAL

    Carl Sagan's Pale Blue Dot OFFICIAL

    246 views / 0 likes - added

    Pale Blue Dot is NOW AVAILABLE as an audiobookhttps://www.audible.com/pd/Science-Technology/Pale-Blue-Dot-Audiobook/B06XTJN84LAs seen in 2014's COSMOS: A SpaceTime OdysseyWritten by Ann Druyan and Steven Soter Cosmos Studios, Inc., Copyright 2013Passage w

  • 04:58 One Voice In the Cosmic Fugue

    One Voice In the Cosmic Fugue

    184 views / 0 likes - added

  • 59:49 Carl Sagan Christmas Lecture 1 - The Earth as a Planet

    Carl Sagan Christmas Lecture 1 - The Earth as a Planet

    143 views / 0 likes - added

    In his first Christmas Lecture, American astronomer and cosmologist Carl Sagan explores planet Earth and the place, scale and geometry of the 'pale blue dot' in the Solar System. Sagan provides a unique insight into the history of our knowledge of the thi

  • 06:42 Proving the earth was round over 2,200 years ago. Eratosthenes. Carl Sagan. Cosmos.

    Proving the earth was round over 2,200 years ago. Eratosthenes. Carl Sagan. Cosmos.

    595 views / 0 likes - added

    Carl Sagan - Cosmos - Eratosthenes.Carl Sagan talks about Eratosthenes, the man who estimated the circumference of the earth using just a stick, eyes, feet and his brains, debunking flat earthers over 2,200 years ago.


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