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Venus And Mercury

Plagued by high temperatures and deadly acid smog, could scientists ever find a way to visit the planets nearest the Sun?

English
  • Originally Aired December 24, 2010
  • Runtime 60 minutes
  • Content Rating United States of America TV-G
  • Network National Geographic
  • Created November 29, 2011 by
    Administrator admin
  • Modified November 29, 2011 by
    Administrator admin