Compared with the Population I stars in the disk of our galaxy, the Population II stars in the globular clusters around it are
A)younger.
B)about the same age.
C)older.
D)Any of these choices are correct.

Question

Quizplus · Accepted Answer

Population II stars are generally considered to be older than Population I stars because they have a lower metallicity, indicating that they formed earlier in the history of the universe when there were fewer heavy elements. Globular clusters, where Population II stars are found, are also thought to be some of the oldest structures in the Milky Way, further supporting the idea that these stars are older. Therefore, compared to Population I stars, Population II stars are generally considered to be older.

Compared with the Population I Stars in the Disk of Our