Which of the following is NOT explained by the traditional theory of the formation of our galaxy?
A)the existence of the nuclear bulge
B)the existence of the disk of the galaxy
C)the fact that the oldest stars in the galaxy are not metal-free
D)the difference in metal abundance of the population I and II stars

Question

Quizplus · Accepted Answer

The traditional theory of the formation of our galaxy predicts that the oldest stars in the galaxy should be metal-free because the universe had not yet produced heavy elements. However, observations have shown that the oldest stars in the galaxy have some metal content.

Which of the Following Is NOT Explained by the Traditional