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Tau Alpha C

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Multiple realities
(covers information from several alternate timelines)
The Traveler, 2370

The Traveler, a native of Tau Alpha C

Tau Alpha C was an inhabited location. It was the home of the humanoid species that The Traveler belonged to. (TNG: "Where No One Has Gone Before") At warp 9.5, it would take 123 days to travel from Starbase 133 to Tau Alpha C. A subspace message would take days to travel back and forth between both locations. This location was listed on Federation star charts. (TNG: "Remember Me")

The inhabitants of Tau Alpha C existed outside the reality that Humans lived in. Prior to the 2360s, they felt that Humans didn't merit serious attention and didn't visit them. In the 2360s, this belief changed, with The Traveler being sent to experience and observe the Human reality. He traded his knowledge of propulsion for passage on Starfleet starships. In 2364, he visited the USS Enterprise-D crew, and he and Wesley Crusher worked together that year and again in 2367. (TNG: "Where No One Has Gone Before", "Journey's End")

In an alternate universe created after Doctor Beverly Crusher became trapped within a warp bubble, Wesley tried to contact Tau Alpha C for assistance when individuals began disappearing from the Enterprise, with only Dr. Crusher noticing. Ultimately, the entire universe, including Tau Alpha C, disappeared. (TNG: "Remember Me")

According to, Tau Alpha C was the name of a star system. [1] Under naming conventions for stars (ex. Alpha Centauri C), the name would suggest Tau Alpha C was the third star in a trinary star system. However, according to Dr. Crusher, in "Journey's End", Tau Alpha C was a location in the Tau Ceti system.

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