Galaxy exists because stars and nebulae exists.
our solar system exists in barred spiral galaxy
No galaxy by that name exists.
The earth exists on the edge of the Milky Way galaxy.
spiral energy
Our sun "The Sun" exists in a galaxy called "the milky way", all other galaxy's that we know of also have suns.
No website exists........... YET
No, the two are quite unrelated. A galaxy filament is something that actually exists in our world. An astral plane is more hypothetical; if it exists at all, it's definitely not something you would be able to observe with a telescope.
If it exists it is not known by most observers.
There are very many galaxies. There are almost as many galaxies visible from Earth as there are stars in our Galaxy, perhaps 200 billion.
No, it is not a 'real' galaxy, merely one that exists inside the movie world. It is based upon Science Fiction, and you will not be able to travel to it.
very rapid motion of matter close to the nucleus of the galaxy, requiring a very massive body to hold it in orbit
No, the Andromeda Galaxy is not bigger than the universe. The universe is vast and contains billions of galaxies, including the Andromeda Galaxy. The universe is much larger in scale and encompasses everything that exists.