Space Colonies
     Orbital vs Planetary
     How Realistic?
     First Generation
Third Generation
     Detailed Design
     Ecology (CELSS)
     NASA Human Tests
     Russian CELSS
     Biosphere 2
     Biosphere J
     Alaska ISEC Co.
     Artificial Gravity
     Web Prototype?
     Other Websites
     Unclassified Ads

§ 6.4 Third Generation Giant Space Habitats

Others' webpages have pictures of very large, long term future settlements -- much bigger than the one shown at the beginning of this chapter and the cover of the book, and coming much later. (Unlike PERMANENT, those other webpages usually give little attention to the second generation intermediate step or the industrialization steps required to get us there, focussing mainly on the architectural design of large space colonies.)

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