Science Fiction - World Building, Roleplaying

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Science Fiction

Created Worlds 3

Constructing an SF Universe Constructing an SF Universe

Excellent article by professional, published science fiction author, S. Andrew Swann.

www.sff.net

Planetary Fact Sheets Planetary Fact Sheets

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.

nssdc.gsfc.nasa.gov


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