...such as the Icarus Interstellar mission or the 100-year Starship project) have recently started to consider these ‘world ships’ as a viable means of interstellar travel. Multi-generational spacecraft are often envisaged as huge, city-sized structures...
...spacecraft transporting thousands of people over trip times of centuries is called a ‘world ship’ [4]. Generations of people would be born and die on such a ship. Enormous world ships were proposed in the 1980s [5]. Only a human civilization that has...