There are stars located in the center bulge of the Milky Way and the spiral arms of the Milky Way. What is the difference between the stars at the center bulge and the stars in the arms?

Question

1.The stars at the center bulge are typically brighter than the stars in the arms.
2.The stars at the center bulge are typically colder than the stars in the arms.
3.The stars at the center bulge are typically smaller than the stars in the arms.
4.The stars at the center bulge are typically older than the stars in the arms.

Answer 1

5. The stars in the center bulge are more densely packed together compared to the stars in the arms.
6. The stars in the arms are generally younger and have higher rates of star formation compared to the stars in the center bulge.
7. The stars in the arms have more heavy elements, indicating they have undergone more generations of star formation, compared to the stars in the center bulge.

Answer 2

1 2 3 or 4

Answer 3

1. The stars at the center bulge are typically brighter than the stars in the arms.