He was put aboard a generation ship and sent away, never expecting to come back.

So there was an easy alternative to the generation ship.

The generation ship had remained here, cold and silent, for so many years.

You've read the stories of generation ships where something went wrong and everybody slipped back to savagery?

It is set on a generation ship that has lost its way under mysterious circumstances.

Some have compared planets with life (in particular Earth) to generation ships.

Otherwise, every voyage would need to be made by generation ships.

And this was much more than just a generation ship, a tin can full of people.

For example, she had not expected that the murderers would send one of the ancient generation ships against them.

Maybe a generation ship is the answer, if you can find enough colonists who don't mind leaving the landing to their descendants.