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Deadly Comets and Meteors

Asteroids and comets have left their imprint on planet Earth, literally. Since the turbulent formation of the solar system, these space rocks have continued to impact earth. Some have been so violent that they've led to mass extinctions. What's more, radical new theories suggest that asteroid and comet dust harbor deadly viruses that may have triggered some of our worst pandemics. The possibility of future cosmic collisions remains a legitimate threat. Yet, despite their dangers, asteroids and comets may hold vital natural resources, which could actually preserve mankind.

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  • Originally Aired December 16, 2008
  • Runtime 60 minutes
  • Content Rating United States of America TV-14
  • Network History
  • On Other Sites IMDB
  • Created March 26, 2015 by
    Administrator admin
  • Modified February 22, 2023 by
    Qumis