Ττ Tau is a letter in the Greek alphabet of Earth, originating in the early period of Human history.
It was used in the following contexts:
- People
- Tau, a pirate native to the Delta Quadrant
- Colonies
- Tau Cygna V colony
- Legal Documents
- Locations
- Planets
- Star systems
- Tau Ceti system
- Tau Cygna system
- Stars
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