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Earth Under Threat From Dark Comets

An anonymous reader writes "Comets could be the most significant impact hazard to Earth, with sky surveys underestimating the number that are potentially devastating by a factor of between 10 and 100, UK astrophysicists say."

2 of 149 comments (clear)

  1. Another reason for fear by IamGarageGuy+2 · · Score: 3, Insightful

    C'mon, there are hundreds of ways for me to die everyday. If I have to start worrying about the sky falling on me, I might as well pack it in now.

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    Stay tuned for new sig...
  2. Seriously? WTF? by zappepcs · · Score: 4, Insightful

    "Comets could be the most significant impact hazard to Earth

    Just what are the "other" impact hazards? I'm very curious about this.