Re:What If The Moon Were Replaced By Other Planets?
by pavel_lishin on Wednesday June 26, 2013 @11:40AM
(#5946725)
Plus, I think that if you strip away all the Culture magic-tech, their orbitals are still more plausible than Niven's Unobtanium-Brand scrith.
http://en.wikipedia.org/wiki/Orbital_%28The_Culture%29
[NB I prefer Culture Orbitals to Niven Rings - largely due to everything else being in the Culture would imply.]