Which of the following are associated with the spiral arms of a galaxy?
A)young, massive stars
B)nuclear bulges
C)metal-poor stars
D)million-solar-mass black holes

Question

Quizplus · Accepted Answer

Spiral arms of a galaxy are associated with young, massive stars. These stars are bright and hot, and they emit light in a range of colors, making them easy to detect. As the stars move through the arms, they change their position relative to us, and this causes the arms to appear as a spiral pattern.

Which of the Following Are Associated with the Spiral Arms