orbital-day-night-cycle

The ringworld uses orbiting rectangular structures to create shadows, thereby simulating a day-night cycle on an otherwise perpetually sunlit surface.

1 chapter across 1 book

Ringworld (1970)Larry Niven

Chapter 6 -

In this chapter, Louis Wu and his companions visit the Puppeteer homeworld, encountering the shy but powerful Puppeteers and learning about their advanced engineering capabilities. They are introduced to a massive artificial ring structure orbiting a star, which is revealed to be a habitable ringworld with complex orbital mechanics and artificial day-night cycles. The chapter explores the awe and apprehension inspired by this super-advanced artifact and the political tensions within the Puppeteer society.