Galaxies

Parts of the Galaxy

The Galaxy
The Central Bulge
The Thin Disk
The Thick Disk
Orbits
The Halo
The Dark Halo
Star Populations

The Disk Globular Clusters and the stars in the thick disk move in highly elliptical orbits that pass through the central bulge.

The thick disk rotates as a unit around the central bulge at about half the speed of the thin disk.


Milky Way Graphic by Lucas Leslie, Yr 9 student, ESC, May 2000