Trexelian Expanse

The Trexelian Expanse.

The Trexelian Expanse was a region of space that was relatively unexplored in the mid-23rd century. It featured a number of quantum fluctuations, which teleported individuals to the region, even from different time periods in some cases.

Following the destruction of the Federation starship USS Valiant, the USS Trexelprise was assigned to the region, despite still being under construction, to determine the Valiant's fate and to continue its mission of exploration. (ST video game: Trexels)


Starfleet divided the Trexelian Expanse into at least eight sectors, with a red giant as their connector. Each sector included a number of star systems, planets and other stellar objects. The Federation established a Trexelian starbase in the region. (ST video game: Trexels)

Known sectors

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