Directory of Science Fiction Resources

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Subcategories

• Created Worlds

Resources in This Category

• Planetary Fact Sheets

  http://nssdc.gsfc.nasa.gov/planetary/planetfact.html
  Includes physical data describing the planets, satellites, and comets of our solar system, courtesy of NASA's National Space Science Data Center. Potentially useful to designers of science fiction settings and the detail-minded.

 

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