One difference between Population I and Population II stars in the Milky Way is
A) that Pop I stars produce energy by fusion and Pop II by fission.
B) that Pop I stars have very few metals and Pop II stars are metal rich.
C) that Pop I stars have orbits in the disk and Pop II stars have orbits that pass through the disk.
D) that Pop I stars produce energy by fusion and Pop II stars through gravitational contraction.

Question

Quizplus · Accepted Answer

Population I stars are typically found in the disk of the Milky Way and have circular orbits, while Population II stars have more elliptical orbits that can pass through the disk.

One Difference Between Population I and Population II Stars in the Milky