01
We can't take a photo of it
We're inside the Milky Way's disc, so its overall spiral shape is mapped indirectly — through star positions, motions, and radio surveys — not photographed from outside.
Galaxies · Question
Where are we in the Milky Way?
Earth isn't near the galaxy's center, and it isn't anywhere especially unusual either. Here's our actual address, zoomed out one step at a time.
Visual model
Our galactic address.
What's simplified
The map is fuzzier than it looks.
02
Arm boundaries are fuzzy
Spiral arms are regions of higher star density, not walls — where one arm ends and another begins is not a sharp line.
Misconception check
Quick check.
Quick check
Go deeper
Keep exploring.
Next in this series →
Types of galaxies ↗
Spiral, elliptical, and irregular shapes.
Universe
How big is the universe?
Keep zooming out past the Milky Way.
Galaxies
Types of galaxies
What the Milky Way's spiral shape actually means.