Compared with the Population I stars in the disk of our galaxy, the Population II stars in globular clusters
A) are generally younger.
B) have about the same age distribution.
C) are generally older.
D) Any of these choices may be correct in a particular cluster.

Question

Quizplus · Accepted Answer

Population II stars in globular clusters are generally older than Population I stars in the disk of our galaxy. This is because globular clusters are thought to have formed early in the history of the Milky Way, when conditions were very different than they are now. Population II stars are also typically less metal-rich than Population I stars, reflecting the lower metallicity of the early universe.

Compared with the Population I Stars in the Disk of Our