Megastructures: Shellworlds
Today we take a look at Artificial Planets constructed as Shells around a filler mass, such as a black hole. Republished by Blog Post Promoter
O’Neill Cylinders And Long-Term Space Colonization
O’Neill Cylinders: A futuristic solution for long-term space colonization? Find out more about O’Neill cylinders and long-term space colonization.