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NOVA

Asteroid: Doomsday or Payday? Preview

  • Aired: 10/22/2013
  • 00:30
  • Rating: NR
Will future asteroids trigger massive extinctions—or be mined for precious minerals? Airing November 20 at 9 pm on PBS
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Asteroid: Doomsday or Payday? Preview
Asteroid: Doomsday or Payday? Preview
Will future asteroids trigger massive extinctions—or be mined for precious minerals?
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