In six billion years, Andromeda destroys Sagittarius A*. Galactic Core Goals: 1. Backup planets with life. 2. Change physics.

On Earth's back-up planet, Icarus, a horse-headed centaur has lost his job. Because his new Earthself back-up assignment knows tensors, he's been drafted into the Galactic Core Corps. He picks up an ivory-billed woodpecker familiar, a math staff and a character theme of Fallacy along the way.