Knowledge: science fiction
Links
- Constructing an SF Universe
http://www.sff.net/people/SASwann/text/wb.htm - Excellent article by professional, published science fiction author, S. Andrew Swann.
- Planetary Fact Sheets
http://nssdc.gsfc.nasa.gov/planetary/planetfact.html - Extensive 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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