Extraterrestrial settlement
Extraterrestrial settlement can be any type of permanent habitation outside of Earth, beyond its space boundary, such as:
- Space settlement
- *Orbital space station
- *Cycler
- *Interstellar ark
- **Generation ship
- Extraterrestrial surface settlement
- *Moonbase
- *Mars base
- Extraterrestrial floating settlement
- *High Altitude Venus Operational Concept
- Extraterrestrial submerged settlement