Carl Sagan: Astronomer of the People
21:03
Albert Einstein: A Pillar of Modern Physics
44:26
Человек, предсказавший "ядерную зиму". История главного астронома 20-го века Карла Сагана
16:40
How the Bizarre Path of Mars Reshaped Astronomy [Kepler's Laws Part 1]
27:15
The Most Misunderstood Concept in Physics
21:15
Stephen Hawking: The Greatest Scientist of Our Time
23:54
Joan of Arc: The Maid of Orléans
1:26:32
Dr. Carl Sagan Speaks at IMSA
24:32