chunk: Little by little, the three gather clues from both observations and slips of the tongue. While crew members often refer to their "sisters," there is no mention of husbands, boyfriends, or families. There are twins on board (both named Judy), yet one seems older than the other. The one male, a teen named Andy, seems strangely feminine. Technology, and science and culture in general, seems to be relatively unadvanced considering the centuries that passed.