Compared with stars in the disk, orbits of stars in the halo
A)do not have to be around the galactic center.
B)are confined to a relatively thin plane.
C)are elliptical, orbiting in the same direction.
D)are elliptical, with random orientations.
E)do not have to pass through the plane of the galaxy.

Question

Quizplus · Accepted Answer

Stars in the halo have orbits that are randomly oriented and elliptical, unlike stars in the disk whose orbits are mostly confined to a relatively thin plane and follow a more organized pattern. Additionally, stars in the halo do not have to pass through the plane of the galaxy or even orbit around the galactic center.

Compared with Stars in the Disk, Orbits of Stars in the Halo