Thin disk population

Thin disk population refers to the layer of the Milky Way galaxy where the spiral arms are found and where most of the star formation takes place. It is about 300–400 parsecs (980–1,300 light-years) deep and centered on the galactic plane. Stars belonging to this population generally follow orbits that lie close to this plane.[17] This is in contrast to members of the thick disk population and halo stars.

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