Composition of the universe.
Outer space is filled with as many stars as points can be foundin a Cartesian plane. Limits don't exist; everything spread to become something, but never gets to that something. If universe is endless, then galaxies are too, logically, much smaller. Each particle turns indivisible.
And galaxies exist everywhere. We are living in one, which we call "Milky Way". Uncertainty causes the idea of the possible existence of another galaxy hosting life, however, you can be sure that at least there is one.
Description of the dimension.
The Centauri galaxy can be registered when crossing a dimensional portal next to the Milky Way's nearest star; precisely Proxima Centauri. Most of the orbits there have an angle of approximately 60 degrees from the orbits of the Solar System. There are fourteen planets, at the moment, one of them is declared deserted an