This website provides a tutorial for students about the bulge, disk, and halo components of the Milky Way. It also contains information about the size and the formation of our galaxy. This site ends with a short quiz.

This slide set begins by discussing the amount of dark matter on galactic and larger scales by refering to the dark matter in the Milky Way. The next set of slides reviews the motivation for and the basic physics of...

This site, created by author James B. Kaler of the University of Illinois at Urbana-Champaign, gives information relating to stars such as their brightness and distance, their mass, their birth and death, and...

This online textbook teaches the user about how a science project is conceived, funded, and managed. They do this by telling a story about how NASA's High Energy Astronomy Observatory (HEAO) Program executed a science...

This site, authored by Mike Guidry of the University of Tennessee, Knoxville, deals with the beginning of the universe and how it formed. This site discusses the big bang theory which includes ideas such as the...