Unknown Sector

The Unknown Sector is a mysterious region of space, densely packed with black holes and bordering on old Quintesson territory. Because so many black holes are present in the sector, all astro-navigation and cartography systems do not function correctly within it. Allegedly, Mutants control the sector. One of the sole notable locations in the sector is a lone, barren, and unnamed planetoid...

Fiction

Wings Universe

Cannonball and his crew travelled into the Unknown Sector on a quest to find Starscream's immortal spark. They found it... or rather, it found them, on the lone planetoid in the sector. Both travelling into the sector, and out of it, proved to be a challenge, and the Star Seekers barely managed both. To enter it, they made use of Electro-Magnetic Refracture. When that plan became no longer viable to exit the place, they had to resort to using forestonite to boost their engines' thrust. Tornado - Decepticon Saboteur