For the type of solar system, please see quaternary star system.

The quaternary star systems were an entity which, at some point in the hundred thousand years preceding the mid-23rd century, fought a war with the Roquarri Imperium.

This conflict was witnessed by a lifeform known as the Sphere, and information about it was transferred to USS Discovery upon its death. (DIS: "An Obol for Charon")

The war was said to have lasted a "solar cent…".
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