Carl Sagan - Cosmos - Eratosthenes
7:49
How the Ancient Greeks Proved that the Earth was Round
4:14
Carl Sagan Predicted The Mess 2021 Would Be 25 years Ago
1:36:01
Carl Sagan's 1994 "Lost" Lecture: The Age of Exploration
59:52
The earth as a planet - Carl Sagan's 1977 Christmas Lectures 1/6
35:36
Nach der Wahl: Scholz tritt ab, Merz übernimmt, die AfD verdoppelt sich | heute-show vom 28.02.2025
16:54
Carl Sagan testifying before Congress in 1985 on climate change
3:25:28
Rahatlama ve Ruh için 50 Klasik Müzik Başyapıtı | Beethoven, Mozart, Chopin, Bach, Vivaldi
19:48