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Typhon Expanse map

A map of the Typhon Expanse

USS Bozeman emerges from a temporal causality loop

The Bozeman emerges from a temporal distortion in the Typhon Expanse

The Typhon Expanse was a region of space in the Beta Quadrant which, as of 2368, had yet to be explored by any Starfleet vessel.

In that year, the USS Enterprise-D embarked on an exploratory mission in this region, when it encountered a temporal distortion from which the USS Bozeman emerged, having been transported through time from the year 2278.

Colliding with the Bozeman, the Enterprise was subsequently destroyed, and the resultant explosion, being in such close proximity to the distortion, ruptured the spacetime continuum. As a result, both ships became trapped in a temporal causality loop in which the Enterprise repeatedly encountered the Bozeman and was destroyed.

Eventually, the Enterprise crew was able to determine the nature of the loop and avoid colliding with the Bozeman, thereby freeing both vessels from the loop. (TNG: "Cause And Effect")

In the early 25th century, this region's position was labeled on a star chart used by Captain William T. Riker during his attempt at finding the last known location of the SS Eleos XII. (PIC: "The Next Generation", "Disengage")

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In the episode "Disengage", the location of this region was seen on the bridge of the SS Eleos XII on what appears to be an updated chart from Star Trek: Star Charts. Dave Blass published pictures of the set on his website.

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