In this case, it’s all to do with the conversation of angular momentum! This is also why the solar system is in a plane.
Basically, during formation, the cloud of gas forming the galaxy is spinning super fast, and the difference in rotational forces flattens the cloud closer to a plane.
In this case, it’s all to do with the conversation of angular momentum! This is also why the solar system is in a plane.
Basically, during formation, the cloud of gas forming the galaxy is spinning super fast, and the difference in rotational forces flattens the cloud closer to a plane.