3 ms·
These maybe? https://en.wikipedia.org/wiki/O%27Neill_cylinder https://en.wikipedia.org/wiki/O%27Neill_cylinder
by sjcsjc 3y ago
These maybe? https://en.wikipedia.org/wiki/O%27Neill_cylinder https://en.wikipedia.org/wiki/O%27Neill_cylinder
- DennisP 3y agoYep. Go with that and the solar system has room for trillions of people. If we invent practical fusion power by then, we can also spread out into the Oort Cloud.