Chapter sections:
- 18.1 Historical Studies of the “Universe”
- 18.2 The Milky Way Galaxy
- 18.3 A Taxonomy of Galaxies
- 18.4 Galaxies Everywhere
- 18.5 Supermassive Black Holes and Active Galaxies
- 18.6 How to Build a Galaxy
Available resources for this chapter:
Image: NGC 1187. (ESO; CC BY 4.0)