The stars in the disk of our galaxy are mostly distributed
A)uniformly.
B)at random.
C)in 1 spiral arm.
D)in 2 spiral arms.

Question

Quizplus · Accepted Answer

The stars in the disk of our galaxy are mostly distributed in 2 spiral arms. This has been confirmed by observations such as those made by the Spitzer Space Telescope, which has been able to map out the structure of the Milky Way's disk. While there are other structures within the disk, such as the central bar, the spiral arms are the most prominent and widespread feature. So, choice D is the best choice.

The Stars in the Disk of Our Galaxy Are Mostly