Known Universe

  • Premiered: Feb 2009
  • Episodes: 17
  • Followers: 60
  • Ended
  • National Geographic
  • Sunday at 10
  • Documentary

Seasons:

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Season 2
2x1
Cosmic Collisions
Episode overview
Air date
Apr 01, 2010
The collisions that created Earth and the moon; the people who work to stave off the apocalypse; violent impacts deep in the cosmos.
2x2
Stellar Storms
Episode overview
Air date
Apr 08, 2010
Earth's weather is compared to that of other planets; cataclysmic space weather that could cripple life on Earth.
2x3
Alien Contact
Episode overview
Air date
Apr 15, 2010
Are we alone? It's an age-old question that was relatively "taboo" in mainstream science until the mid-1990s, when astronomers found planets outside our solar system. Now, Known Universe .. show full overview
2x4
Decoding The Skies
Episode overview
Air date
Apr 29, 2010
Our ancestors' relationship with the heavens led to some of mankind's ancient discoveries and greatest creations. The ancient Greeks discovered Earth was round; the Polynesians used the .. show full overview
2x5
Final Frontiers
Episode overview
Air date
May 06, 2010
More than 70 percent of Earth is covered in water, but we've only explored roughly 5 percent of it. We've roamed even less of our solar system. Now, armed with some of the latest .. show full overview
2x6 Season finale
Cosmic Fury
Episode overview
Air date
May 13, 2010
Earthquakes and volcanoes pose an unpredictable and deadly threat here on Earth, but they also occur far out in the universe. What can we learn from these interplanetary phenomena that .. show full overview

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