This website, containing information from the Sloan Digital Sky Survey, provides projects and activities for advanced astronomy students. Students compare the spectrums of stars and quasars. Students will also...

Being the first project proposed by SDSS, this website is more of an introductory course. It first shows the user what information the survey has retrieved, and how to look for it in the database. Then it explains the...

Of the 100 billion or more galaxies visible through existing telescopes, most are either spiral or elliptical in shape and about one-fourth are irregular in shape. In addition to their shape, star systems can be further...

This website provides brief tutorials on spectroscopy, cosmology, galaxies, light pollution, solar system scale, the sun, stellar properties, telescopes, the history of astronomy, and stars. This site also contains a...

This web page contains lecture notes about the early universe. It describes the conditions that allowed particles to evolve into large stars and galaxies. The information provided is well organized and it also provides...