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

Multiple Choice

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:

A) likely sites for planets with life
B) neutron stars and white dwarf stars
C) K-type supergiants
D) only old, low-mass stars
E) young, massive stars