Season
Season 11 Episode
- Season 3 Journey from the Center of the Sun
- Season 3 The End of the Universe
- Season 3 Jupiter: Destroyer or Savior?
- Season 3 First Second of the Big Bang
- Season 3 Is Saturn Alive?
- Season 3 Weapons of Mass Extinction
- Season 3 Did a Black Hole Build the Milky Way?
- Season 3 Our Voyage to the Stars
- Season 3 The Search for a Second Earth
How the Universe Works - Season 3 Episode 6 Weapons of Mass Extinction
8.30 42 minutes Asteroids strike, planets collide, black holes blast out death rays, volcanoes erupt and ice engulfs the planet. These are the universe’s weapons of extinction. They’ve happened before - wiping out entire species, and they will happen again. Are we next?
