Which part of our Milky Way Galaxy is the oldest?
A) bulge
B) disk
C) halo
D) Cannot measure relative ages of these structures.

Name: Which part of our Milky Way Galaxy is the oldest? A) bulge B) disk C) halo D) Cannot measure relative ages of these structures.
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Question

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The halo of the Milky Way is believed to be the oldest part of our galaxy and contains some of the earliest stars and globular clusters. It is thought to have formed first, before the disk and bulge.

Which Part of Our Milky Way Galaxy Is the Oldest