"It's beautiful," Nog said, leaning forward in the copilot's chair, smiling into the faint glow of the cometary cloud visible through the viewports.

No other terrestrial planets, no gas giants, no asteroids. . .and no cometary cloud.

It would wander far away from Earth and into the deep freeze of the solar system, to be lost forever in the cometary cloud.

-Omnius, Jihad Datafiles Far above earth's solar system the small update vessel drifted without engine power, ranging to the edge of a diffuse cometary cloud.

Tuskerslayer's current mission was shaping up to be a spectacularly uneventful patrol of the vast cometary cloud that bounded the far fringes of the Oghen system.

The fact that the heads of the cometary clouds of IC2118 point northeast towards the association is strong support of that relationship.

"Nothing closer than the system's cometary cloud, sir," Riley reported as his own navigation boards came to life.

"It's just possible that the 'unknown organism' has been seeded into the cometary cloud to camouflage it."

Ahead lay only the vast cometary cloud which, gravitationally, was insignificant.

Proxima's passage through the system's outer cometary cloud periodically knocked comets inward, over time replenishing the Centauri planets' water and atmospheric gases.