This material is based on graduate courses taught at Leiden University and the University of Alabama, updated to the most recent time I've taught AY 620 (Extragalactic Astronomy) in Tuscaloosa. The current version is being revised during the fall of 2006. For my physically present students, here's the syllabus.

Virtual lectures are available for these topics:

Last changes: 8/2006	  © 1999-2006