Handout
NASA

Nasa Space Place: What Is a Galaxy?

For Students 3rd - 8th
This resource explores the different types of galaxies through text and images.
Handout
Other

Sky Server: Galaxies

For Students 9th - 10th
SkyServer explains and presents images of spiral galaxies, elliptical galaxies, irregular galaxies, galaxy clusters, galaxy collisions and the like.
Interactive
Space Telescope Science Institute

Galaxy Hunter: A Cosmic Photo Safari

For Students 3rd - 8th
Travel the universe and learn about galaxies. Investigate Hubble Deep Field observations to learn more.
Website
Other

University of Cambridge Cosmology: Galaxies

For Students 9th - 10th
This site from the University of Cambridge allows you to view information on spiral, elliptical, and Milky Way galaxies, as well as galaxy clusters. Provides basic facts about each one.
Website
University of California

University of California Berkeley: Classifying Galaxies

For Students 9th - 10th
Find out how galaxies are classified and then see if you can apply that knowledge to identify the different types of galaxies. In addition to explaining Hubble's galaxy classification system, the site has links to Hubble Space Telescope...
Article
Mocomi & Anibrain Digital Technologies

Mocomi: What Is a Galaxy?

For Students 2nd - 8th
Explains what galaxies are and their different shapes. Includes details on the Milky Way.
Website
Other

University of Leicester: Spiral Galaxies

For Students 9th - 10th
Provides a general overview of spiral galaxies, including descriptions of the different classes of spiral galaxy.
Activity
Education.com

Education.com: Different Types of Galaxies

For Students 3rd - 4th
[Free Registration/Login Required] A downloadable worksheet that looks at the features of three types of galaxies.
Handout
NASA

Nasa Space Place: Types of Galaxies

For Students 3rd - 8th
Brief description of a few types of galaxies.
Website
Other

Sky Server: Scavenger Hunt

For Students 3rd - 8th
In this site, from the SkyServer of the Sloan Digital Sky Survey users hunt for stars, galaxies, quasars, asteroids and meteors. Learn what they look like and how to find them.