You observe a distant galaxy, and see that most of the blue light is coming from regions along spiral arms and in the outer regions of the galaxy. This blue light indicates that these regions contain:

Question

Quizplus · Accepted Answer

Blue light is an indication of hot, young, and massive stars. The fact that most of the blue light is coming from regions along spiral arms and in the outer regions of the galaxy suggests that these regions contain young, massive stars.

You Observe a Distant Galaxy, and See That Most of the Blue