Planet X is a hypothetical planet that is thought to exist in the outer solar system, beyond Neptune. Its existence has been proposed to explain the gravitational anomalies observed in the orbits of some trans-Neptunian objects.
The Fullmetal Alchemist planet is a fictional planet in the Fullmetal Alchemist manga and anime series. It is a vast and mysterious world with a rich history and unique alchemy.
There is no connection between these two concepts. The Fullmetal Alchemist planet is a purely fictional creation, while Planet X is a hypothetical astronomical object.
It's important to differentiate between fictional concepts and scientific theories.
