View Full Version : Watch PBS NOVA’s “Asteroid—Doomsday or Payday?”

2013-Nov-21, 10:10 PM
Last night, the US PBS television stations aired a new show from the series NOVA, “Asteroid — Doomsday or Payday.” It portrayed the two sides of asteroids: if a large asteroid collides with Earth, it could set off deadly blast waves, raging fires and colossal tidal waves. But on the other hand, some asteroids are […]

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