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written by William Keel
This site is a collection of lecture notes for a course called the universe of galaxies.   These notes discuss the integrated properties, classification, stellar and gaseous content of galxies;  galaxies within, gasesous content, and the evolution of clusters of galaxies; QSOs, Seyfert nuclei, radio galaxies, and the central engine of active nuclei; the Gunn-Peterson effect and QSO absorption systems; observations and theories of galaxy formation and evolution; cosmological models, dark matter, and gravitational lensing.
Subjects Levels Resource Types
- Galaxies
- Upper Undergraduate
- Graduate/Professional
- Instructional Material
= Lecture/Presentation
- Reference Material
Intended Users Formats Ratings
- Learners
- Educators
- text/html
- image/gif
- image/jpeg
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Free access
© 2000 Bill Keel
AGN, Gunn-Peterson effect, QSO absorption, Seyfert nuclei, active galatic nuclei, dust, galaxies, gas, intergalatic medium, star formation
Record Creator:
Metadata instance created February 12, 2004 by Kara Lehman
Record Updated:
August 23, 2016 by Lyle Barbato
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
B. Keel, (2000), WWW Document, (
B. Keel, The Universe of Galaxies (2000), <>.
APA Format
Keel, B. (2000). The Universe of Galaxies. Retrieved June 25, 2024, from
Chicago Format
Keel, Bill. The Universe of Galaxies. 2000. (accessed 25 June 2024).
MLA Format
Keel, Bill. The Universe of Galaxies. 2000. 25 June 2024 <>.
BibTeX Export Format
@misc{ Author = "Bill Keel", Title = {The Universe of Galaxies}, Volume = {2024}, Number = {25 June 2024}, Year = {2000} }
Refer Export Format

%A Bill Keel %T The Universe of Galaxies %D 2000 %U %O text/html

EndNote Export Format

%0 Electronic Source %A Keel, Bill %D 2000 %T The Universe of Galaxies %V 2024 %N 25 June 2024 %9 text/html %U

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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