Thick & Thin Disk ·
Milky Way
un
seel
.com · two stellar populations · one galactic plane
h
thin
≈ 300 pc
h
thick
≈ 900 pc
phase
—
Thin disk · young · metal-rich
Thick disk · old · α-enhanced
Galactic plane (z = 0)
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.com · Thick & Thin Disk