Trekipedia

Great Barrier

The Great Barrier was an energy field that was distinct from, but related to, the Galactic Barrier. It surrounded a spherical region approximately 15,000 light-years in diamater at the center of the Milky Way Galaxy. The Great Barrier was first traversed in 2287, but the galactic core remained largely unexplored.^{[1, 2]}

References

• ^[1]ST-05: Star Trek V: The Final Frontier
• ^[2]STSC: Star Trek: Star Charts