Eventually, though, the energy sources which fueled the turbulence sustaining the Qax would everywhere run dry. This Jovian would grow cold, exhausted by its own weather. Then, at last, it would be time for the Qax to leave. There would be a second Qax exodus, on a far vaster scale than the first, as the race followed the Xeelee through their Ring to a fresh cosmos. Paul speculated wildly on the container vessel which could store a consciousness based on the rhythms of galactic orbits...
-Vacuum Diagrams, "The Baryonic Lords"