I teach part time for the Department of Physics at the University of Louisville and am the instructor of record for two on-line courses. Links for each are below.
Astronomy 191. An on-line course that covers the planets of the Solar System.
Astronomy 192. An on-line course that covers stars, galaxies, and cosmology.
Physics 107. A comprehensive introductory astronomy course taught here at the University of Louisville.
Astronomy-related Internet sites. A collection of sites on different topics in astronomy.
The background image is part of a larger image taken with the Hubble Space Telescope depicting very young galaxies. Courtesy of the Space Telescope Science Institute.