Understanding the structure and composition of spiral arms in the Milky Way
Understanding the Structure and Composition of Spiral Arms in the Milky Way
The Milky Way is a barred spiral galaxy with multiple arms stretching out from the center. The arms are comprised of a mix of stars, gas, and dust that form a distinctive morphology. But what exactly are the spiral arms, how do they form, and what processes drive their composition?
Spiral Arm Formation