This educators guide provides content and classroom activities about galaxies, galaxy morphology, x-ray properties of galaxies, and evidence for dark matter in galaxies. The classroom activities have been designed to be...

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...

Created by Bill Arnett, "The Nine Planets" is an overview of the history, mythology, and current scientific knowledge of each of the planets, moons, and some other objects in our solar system. Text, images, sounds, and...