EXPLORING THE STANFORD TORUS

Primary Sources

1. NASA SP-413: Space Settlements: A Design Study (1977). Richard D. Johnson & Charles Holbrow, eds. The foundational document for the Stanford Torus design. NASA NTRS · NSS Full Text
2. Gerard K. O’Neill: The High Frontier: Human Colonies in Space (1976). William Morrow & Co.
3. Gerard K. O’Neill: “The Colonization of Space,” Physics Today 27(9), September 1974, pp. 32–40.

Life Support & Agriculture

4. Silverstone et al.: “Food production and nutrition in Biosphere 2,” Ecological Engineering 13 (1999). PubMed
5. Nelson et al.: “Biosphere 2’s Lessons about Living on Earth and in Space,” Space: Science & Technology (2021). Full Text
6. NASA CELSS Program: NASA Conference Publication 2378, “Controlled Ecological Life Support System” (1985). NASA NTRS
7. Wheeler et al.: “Crop productivities and radiation use efficiencies for bioregenerative life support,” Advances in Space Research (2008).
8. ISS ECLSS: Environmental Control and Life Support Systems. NASA Reference

Population & Artificial Gravity

9. Smith, Cameron M.: “Estimation of a genetically viable population for multigenerational interstellar voyaging,” Acta Astronautica 97 (2014). ScienceDirect
10. NASA Technical Report: “Chapter 3: History of Artificial Gravity.” NASA NTRS
11. Globus, Al: “Space Settlement Population Rotation Tolerance.” NSS

Generation Ships

12. Hein, Andreas M. et al.: “World Ships — Architectures & Feasibility Revisited,” Journal of the British Interplanetary Society 65 (2012).
13. T.A. Heppenheimer: Colonies in Space (1977). NSS — Ch. 9: Up on the Farm

Visualization parameters calibrated to the 1975 NASA Ames/Stanford Summer Study specifications. Population estimates extrapolated from NASA SP-413 baseline of 10,000 residents at R=830m, r=65m.