Ehy Guardian. Galaxy Pool is an hidden place that has been found outside the borders of the game. You can see it here: https://www.youtube.com/watch?v=5W22jDAUVRk&ab_channel=Disher We don't know what it is and what is its purpose, but the fact that there is a magnetic field that attracts the Player toward the Traveler [i](like it happened on the Moon with the Dark Ship)[/i] let think that this will be a place we may visit in the future and will have something to do with the Traveler. However, these are just speculations and I could be completely wrong.