 How long will it take the Weblor II to make the round trip to the new colony and back?
The Weblor I had taken off on the first trip to Antheon five years before with a thousand families, reached the planet with less than five hundred surviving colonists. Upon the return to Earth a year later, the crew's report of suffering and chaos during the year's outgoing voyage was twisted, distorted and fragmentary. The Weblor II had been built in space, as had its predecessor, the Weblor I , at a tremendous cost. A space-borne metropolis, it would be the home for three thousand persons outward bound, only the crew on the return trip. It was a sound he knew would be with him for two years—one year going and one year returning.
 24 months
 24 months  42 months  30 months  36 months