The Milky Way

A barred spiral. The Sun sits in the Orion Spur (Local Arm), between the Perseus and Sagittarius arms.

Even a confirmed Planet Nine would sit 0.006 light-years from the Sun: invisible at this scale. The galaxy model here is schematic.

Sources

1. GRAVITY Collab. 2019, Sun–Galactic Centre distance 8.178 kpc
2. Reid et al. 2019, Our view of the Milky Way (spiral arms)
3. NASA: The Milky Way galaxy

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