Role in the story
The Arrows of Time
Encountered by Chapter 1Returning generation world
Its inhabitants must turn the vessel around, interpret a reversed-time cosmos, and decide what they owe the threatened home system.
The Eternal Flame
Encountered by Chapter 1Inherited world and research vessel
Three generations after launch, its finite forests, fuel, farms, and institutions must support both survival and discovery.
What this entity helps us see
A vessel becomes a polity
Generation ships
The return leg exposes the difference between transporting descendants and earning their continuing consent.
Open concept articleEverything shares one reserve
Closed-loop life support
Population, crops, forests, heat, and fuel draw on the same finite world.
Open concept article