Shoemaker Levy 9: Jupiter's Apocalyptic Comet
23:51
Io: A World of Ice and Fire
34:41
Gravitic Spaceship Propulsion
22:56
Atlantis of the Sands: The Search for the Lost City of Iram
22:02
Jupiter: Sculptor of the Planets
19:08
Permian-Triassic Extinction Event - The Great Dying
20:24
Tunguska: When the Sky Fell to Earth
46:37
Neil deGrasse Tyson et Bill Nye discutent
22:55