Other
University of Leicester: Spiral Galaxies
Provides a general overview of spiral galaxies, including descriptions of the different classes of spiral galaxy.
PBS
Pbs Nova Online: Spin a Spiral Galaxy
PBS site provides various views of spiral galaxies. (Quick Time required) With this technology, you can manipulate the image to spin it around and look at it from various angles.
Georgia Department of Education
Ga Virtual Learning: Galaxies, the Milky Way and Beyond
In this interactive tutorial students will explore galaxies. Learn what the Milky Way Galaxy is like, how various galaxies are grouped into clusters and superclusters and why those particular galaxies clump together.
NASA
Nasa: Spiral Galaxy
This Spiral Galaxy image is part of a series of photographs taken from the Spitzer Space Telescope. The picture is accompanied by a textual overview of a spiral galaxy with specific attention given to the details of the picture.
PBS
Pbs Learning Media: Spin a Spiral Galaxy
This interactive activity from NOVA Online lets you spin a spiral galaxy, including our own Milky Way. It demonstrates that what you can learn from visible light observations of a galaxy is largely determined by the angle from which you...
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...
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Spiral Galaxy as Never Seen Before
From ABC News in Science, this article covers information related to a photo of the largest spiral galaxy ever captured in a picture. The photo is taken of the Pinwheel galaxy.
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...
NASA
Nasa Star Child: Galaxies
This resource has two levels: one for younger viewers and one for older viewers. It surveys the basic galaxy types and provides details.
Other
Astrophotography: Galaxies
Numerous high quality images of galaxies can be found in this site. Names, exposure times, and various magnifications are provided.
Other
Astrophotography: Galaxies
Numerous high quality images of galaxies can be found in this site. Names, exposure times, and various magnifications are provided.
CK-12 Foundation
Ck 12: Earth Science: Galaxies
[Free Registration/Login may be required to access all resource tools.] Examines galaxies and how they are divided into three types according to shape.
NASA
Nasa Space Place: What Is a Galaxy?
This resource explores the different types of galaxies through text and images.
Other
Sky Server: Galaxies
SkyServer explains and presents images of spiral galaxies, elliptical galaxies, irregular galaxies, galaxy clusters, galaxy collisions and the like.
California Institute of Technology
Spitzer Space Telescope: Our Galaxy's 'Twin'
This image, titled "Morphology of Our Galaxy's 'Twin'" features three individual pictures of a nearby spiral galaxy that closely resembles our own. The text under the image details various specifics about the picture.
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.
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.
University of California
University of California Berkeley: Classifying Galaxies
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...
TED Talks
Ted: Ted Ed: Dark Matter: How Does It Explain a Star's Speed?
Video describes how stars move in a spiral galaxy and how their speeds can be explained by accounting for dark matter. [3:17] Includes a brief quiz and a list of additional resources to explore.
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.
National Earth Science Teachers Association
Windows to the Universe the Milky Way Galaxy
Learn what Milky Way galaxy is made of and what it looks like, as well as how it relates to other known galaxies. Read "Questions and answers about the Milky Way" for further information.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Galaxy Spinning the Wrong Way
From ABC News in Science, this February 2002 article revolves around findings posted by images from the Hubble Space Telescope which suggest a spiral galaxy spinning in an opposite direction than expected.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Galaxy?
Explains what galaxies are and their different shapes. Includes details on the Milky Way.