Question

question 9
1 pts
how do stars in the galactic disk orbit the center of the galaxy?
in highly elliptical paths, but in roughly the same plane.
in highly elliptical paths in many different planes.
in nearly circular paths and in roughly the same plane.
in random orbits.
in roughly circular paths but in different planes.

Explanation:

Stars in the galactic disk orbit the center of the galaxy in nearly circular paths and in roughly the same plane. This is because the gravitational forces and the overall structure of the galaxy (like the rotation of the disk) lead to such orderly motion. Highly elliptical paths (as in the first two options) are more characteristic of stars in the galactic halo. Random orbits (fourth option) don't fit the organized structure of the disk. And if they were in different planes (last option), it wouldn't be a well - defined disk structure.

Answer:

In nearly circular paths and in roughly the same plane.