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American Museum of Natural History
The Milky Way Galaxy
Just how big is the galaxy? Learners read information about the size of the Milky Way galaxy to better comprehend its size. Pupils develop an understanding of the number of stars in the galaxy by finding just how big a billion is and...
Other
University of Leicester: Spiral Galaxies
Provides a general overview of spiral galaxies, including descriptions of the different classes of spiral galaxy.
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
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...
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.
California Institute of Technology
Nasa: Splendid Splinter
The Splendid Splinter photo is a picture of a spiral galaxy and acts as part of a series of photographs taken from the Spitzer Space Telescope. The picture is accompanied by a textual overview of the Splinter Galaxy with specific...
Other
Sky Server: Scavenger Hunt
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.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Milky Way Is Many Tentacled Beast
From ABC News in Science, Larry O'Hanlon's article discusses research connected to the size of the Milky Way Galaxy. The article suggests that the galaxy, instead of being a neat spiral, stretches out through a series of arms.