Other
Sloan Digital Sky Survey: Galaxy Zoo
Explore the universe like you have never seen it. Take part in classifying images of galaxies taken from the Hubble telescope archives. This is a crowdsourced scientific research project.
CK-12 Foundation
Ck 12: Earth Science: Galaxies Study Guide
A brief overview of the galaxies in space.
Seeker
Seeker: 'Doomsday' Ripples Through Galaxy
Learn about a storm errupting in the Teacup Galaxy involving the explosion of a supermassive black hole.
NASA
Nasa: The Space Place: How Old Do I Look?
Find out how the Galex space telescope is determining the age of galaxies using red-shifted light. View pictures taken by Galex. This resource also has a game which involves determining the ages of objects.
NASA
Nasa Space Place: What Is a Galaxy?
This resource explores the different types of galaxies through text and images.
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...
Space Telescope Science Institute
Space Telescope Science Institute: Amazing Space
Amazing Space promotes the "science and majestic beauty of the universe for use in the classroom." Here you can find learning activities, lesson plans, teaching guides, and helpful tips for students eager to learn about space and space...
NASA
Nasa Space Science Data Archive: Photo Gallery
A website featuring a collection of images from NASA. Collection includes images of planets, comets, nebulae, galaxies, stars, sun, and spacecrafts.
NASA
Nasa: Imagine the Universe: Active Galaxies and Quasars
Describes quasars as being classified within the category of an active galaxy. A description of the emergence of high-energy. Definitions of key words are provided.gamma-ray quasars as an important component of the gamma-ray sky.
Space Telescope Science Institute
Hubble Site: Images From Space
This site provides vivid images taken in space by the Hubble Telescope. You can view the entire collection or choose an area you enjoy the most. Explore galaxies, the solar system, nebulae and more!
Science Buddies
Science Buddies: Find Center of Milky Way Galaxy Using Globular Star Clusters
The Milky Way is the edgewise view of our home galaxy, a disk made up of billions of stars. The Sun resides on one of the spiral arms of the disk, 30,000 light-years from the thick hub of the galaxy. The actual center, with a black hole...
NASA
Nasa: The Space Place: How Old Do I Look?
Find out how the Galex space telescope is determining the age of galaxies using red-shifted light. View pictures taken by Galex. This site also has a game which involves determining the ages of objects.
BBC
Bbc: Space Race
There are galaxies far, far away, but just how big is our own solar system? Scroll through this interactive to quickly observe just how much we know and have learned about our solar system.
Space Telescope Science Institute
Amazing Space: Galaxies Galore: Games and More
This is a fun and useful site to learn about galaxies. Content includes a building model to create your own Milky Way, games for learning the various types of galaxies, and more fun games.
Space Telescope Science Institute
Nasa: Hubble Space Telescope: Galaxies
At this site from HubbleSite you can learn all about galaxies and black holes. Click on the movie link and discover how old the universe is or study about what happens when two galaxies collide!
Kidport
Kidport: Space Science
This complete resource will help students to improve their understand of space exploration. Includes images of the universe, galaxies, stars and planets.
Seeker
Seeker: Galaxies Undergo Dramatic Metamorphosis
Article reports on the changes galaxies have experienced that can be observed with the Hubble telescope.
Space Telescope Science Institute
Amazing Space: Galaxies
What is a galaxy? What is the name of our galaxy? Site offers answers to these questions as well as many more.
NASA
Nasa: Space Place: What Is a Satellite Galaxy?
Find out about the behavior and characteristics of the many satellite galaxies that orbit other galaxies.
Other
University of Leicester: Elliptical Galaxies
Provides a general overview of elliptical galaxies, including a look at what defines an elliptical galaxy, what determines its shape, and it's physical nature.
Other
University of Cambridge Cosmology: Galaxies
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.
Space Telescope Science Institute
Amazing Space: Galaxy Hunter
Journey to the wildest regions of space, and wrestle with cosmic giants, galaxies. Explore the Hubble Deep Fields from a statistical point of view.
BBC
Bbc Newsround: New Galaxy Is 'Most Distant' Discovered Yet
Article reports on the discovery by the Hubble telescope of the most distant galaxy known at this point.