It is not known. The Andromeda Galaxy contains about a trillion stars, many of which certainly have planets, though we don't know how many. Many of the planets likely have moons. All told, there are likely several hundred billion to several trillion moons in the Andromeda Galaxy.
At this time we do not know.
The Andromeda Galaxy has 358 pages.
Andromeda Klein has 432 pages.
More than likely. In 2.5 billion years it will gain at least another 200 when it collides with our Galaxy.
The Andromeda Strain by Michael Crichton has approximately 288 pages.
many moons.
3 [;
It has no moons.
About 100 billion stars make up Andromeda
There are many. See related link for a description of what constellation do border Andromeda.
There are at least 150,000 sentient species in a fictionalized version of the Andromeda galaxy (a spiral galaxy 2.5 million light-years from Earth, and is 150,000 light-years in diameter, and contains 150 billion stars (each star is orbited by an average of 9 planets and 170 moons; as well as asteroids and nebulae)).