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The 200-Inch Telescope At Mount Palomar

History and current research of the Hale reflector

English
  • Originally Aired January 11, 1981
  • Runtime 30 minutes
  • Content Rating United States of America TV-G
  • Network BBC Four
  • Created September 17, 2017 by
    Administrator admin
  • Modified September 25, 2023 by
    Gilly mod