| Arp's Catalog Of Peculiar Galaxies [ Teens/Mature Teens ] - Catalog of peculiar galaxy views with supporting material for amateur astronomers. http://members.aol.com/arpgalaxy/ |
| Cambridge Cosmology: Galaxies [ Teens ] - Background and images. http://www.damtp.cam.ac.uk/user/gr/public/gal_home.html |
| Classifying Galaxies [ Kids/Teens ] - Includes pictures and a lesson for learning Hubble's system of classification. http://www.smv.org/hastings/galaxy.htm |
| Galaxies Galore, Games, and More [ Kids/Teens ] - Includes a number of interactive games for learning about galaxies. http://amazing-space.stsci.edu/resources/explorations/galaxies-galore/ |