A colony ship, or generation ship, is a spaceship designed for interstellar travels whose duration spreads over several generations. Then, it’s not the original astronauts but their descendant who will reach the destination of the voyage. Voyage which will last several centuries, even millenary.
Matching words: Solar sail, Vessel
Examples :
- Rendezvous with Rama, by Arthur C. Clarke
- Non Stop, by Brian W. Aldiss
- Star Trek, episode 3×10 « For the World Is Hollow and I Have Touched the Sky »