This category has the following 4 subcategories, out of 4 total.
Pages in category "Extragalactic astronomy"
The following 34 pages are in this category, out of 34 total.
- Extragalactic astronomy (astronomy)
- Hubble sequence (astronomy)
- MilkyWay@home (astronomy)
- Ostriker–Peebles criterion (astronomy)
- Rubin–Ford effect (astronomy)
- Tully–Fisher relation (astronomy)