Additional Resources

Below are some resources related to the galaxies beyond the Milky Way:

1. The Fermi Gamma-ray Space Telescope has produced an "Active Galaxy Education Unit(link is external)."
2. The Galaxy Evolution Explorer (that is, GALEX) has a few activities for teachers(link is external).
3. You and your students can contribute to a project to classify galaxies from the Sloan Digital Sky Survey with Galaxy Zoo(link is external).  This has been incorporated into a newer resource from the SDSS team called Voyages(link is external), and there is a Voyages activity on galaxy shapes(link is external).
4. Phil Plait's Crash Course Astronomy has "Galaxies, Part 1(link is external)" and "Galaxies, Part 2(link is external)".