This page from then University of California, Los Angeles Galactic Center Group provides images of the galactic center over most of the electromagnetic spectrum. Each image has explanatory text, and a background section...

This website from the Space Plasma Group at the Massachusetts Institute of Technology provides information on the interstellar medium, the Solar wind, and interactions with the earth. Illustrations and tables are...

This teacher's guide includes a collection of activities intended to accompany the 'The Hidden Lives of Galaxies' poster. The activities deal with the formation, history, and properties of galaxies. Topics include how...

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.