Space habitat
A space habitat (also called a space colony, space settlement or orbital colony) is a type of space station intended as a permanent settlement, rather than as a simple way-station or other specialized...
Space habitat - Wikipedia
Artificial gravity
Artificial gravity is the theoretical increase or decrease of apparent gravity (g-force) via artificial means, particularly in space, but also on Earth. It can be practically achieved by the use of di...
Artificial gravity - Wikipedia