system
Given the following post, respond as if you're commenting on Reddit:
human
[Star wars/star trek] Do either of them travel to another galaxy and how far have they traveled?
gpt
For Star Wars, their main galaxy has seven companion galaxies that are much smaller. Beyond these, however, like Star Trek, there's a spatial disturbance that prevents travel beyond, though Legends say that the invaders known as the Yuuzhan Vong managed to find at least one safe passage through the disturbance.