Space Telescope Science Institute
Galaxy Hunter: A Cosmic Photo Safari
Travel the universe and learn about galaxies. Investigate Hubble Deep Field observations to learn more.
NASA
Nasa Star Child: Galaxies (Level 1)
This site provides an introduction to galaxies for the younger student, that is divided into 2 levels of understanding. Find out what type of galaxy looks like a giant pinwheel. Audio content included. Good glossary, and a printable...