Science Fiction World Building Roleplaying

• Constructing an SF Universe - Excellent article by professional, published science fiction author, S. Andrew science fiction Swann.
• Planetary Fact Sheets - Includes physical data describing the planets, satellites, and comets of roleplaying our solar system, courtesy of NASA\\'s National Space Science Data roleplaying Center. Potentially useful to designers of science fiction settings and roleplaying the detail-minded.

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