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Carl Sagan's 1994 "Lost" Lecture: The Age of Exploration
Carl Sagan Institute
9 พ.ย. 2018
การดู 1,814,181 ครั้ง
Carl Sagan Christmas Lecture 1 - The Earth as a Planet
Carl Sagan at MIT - Management in the Year 2000: Sloan School Symposium 1987
Flore Kunst | Exceptional non-Hermitian topology
Poison or Cure? Religious Belief in the Modern World (with Christopher Hitchens and Alister McGrath)
The complete FUN TO IMAGINE with Richard Feynman
What Is Beyond Edge Of The Universe?
Quantum Fields: The Real Building Blocks of the Universe - with David Tong
1177 B.C.: When Civilization Collapsed | Eric Cline
International Agenda for Space Exploration, Space Policy Institute, December 9, 1988
Carl Sagan Keynote Speech at Emerging Issues Forum
Cosmos - Carl Sagan - 4th Dimension
"Why we might be alone" Public Lecture by Prof David Kipping
Carl Sagan testifying before Congress in 1985 on climate change
SciCafe: Life the Universe and Everything with Neil deGrasse Tyson
Carl Sagan Christmas lecture 2 - The Outer Solar System and Life
The Pluto Files | Neil deGrasse Tyson | Talks at Google
Carl Sagan - Cosmos - Eratosthenes
Carl Sagan: The Challenging Solar System. The Royal Institution, 1994
Dr. Carl Sagan Speaks at IMSA
Carl Sagan's last interview with Charlie Rose (Full Interview)