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.
European Space Agency
European Space Agency: Story of the Universe
The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...
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.
A&E Television
History.com: The Space Race: Interactive Universe
A virtual journey through space offers photos and facts about Earth and its neighboring planets, comets, other celestial bodies of the Solar System, and the Milky Way and Andromeda galaxies.
Cosmos 4 kids
Cosmos4 Kids: You and the Universe
What is the universe? Learn about this topic in this reference article which includes a video that discusses a finding of a distant galaxy by NASA's Hubble.
University of Illinois
University of Illinois: Cosmic Mystery Tour
This multimedia tour is extremely dense with information about the origin of the universe. There are videos and simulations to assist with understanding, but it is definitely for advanced students.
NASA
Nasa: Imagine the Universe: Black Holes
Learn what black holes are and the myths that surround them.
Other
University of Cambridge: Astro Adventure
Imagine a time when you can travel through space, planet to planet, cheaply and in comfort, when you can take a trip to the stars as your next holiday. Well, imagine no more. Learn more about the solar system as you take this trip of a...
NASA
Nasa: Imagine the Universe: "Burst Behind the Sun"
Site provides the article, "Burst Behind the Sun Reveals Magnetic Charm of Distant Explosion," that details on a gamma-ray burst that occurred on December 6, 2002. Provides graphics and links to learn more about gamma-ray bursts.
NASA
Nasa: Imagine the Universe: Welcome to the World of X Ray Astronomy
Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.
University of Cambridge
University of Cambridge: Cosmology: Galaxies
This site from the Cambridge Relativity provides a brief description of the structure of the Milky Way galaxy. The parts described are the disc, bulge, and halo.
Other
An Atlas of the Universe
What does the universe look like? This website offers visitors a collection of images that serve as an "atlas" of our universe. See multiple charts showing the Earth's distance from the Sun and other stars, find helpful terms in a...
Space Telescope Science Institute
Hubble Site: Secret Lives of Galaxies
This site is provided by HubbleSite from NASA. "Telescopes around the world are beginning to harvest new clues to the origin and evolution of the universe's largest building blocks, the galaxies." Site offers links to images, video,...
BBC
Bb Ci: The Hitchhiker's Guide to the Galaxy
Fun site containing information about the world created by the book. Also contains links to information on the author, Douglas Adams.
Other
Northrop Grumman Corporation: Into the Unknown: Resources
The Northrop Grumman Corporation provides numerous resource about outer space and beyond.
ACT360 Media
Act Den: Sky Den
This journey will help you solve big questions about the universe. You will be able to see beyond human capabilities and will learn what scientists are discovering.
University of Wisconsin
University of Wisconsin: The Constellations and Their Stars
An excellent site dedicated to the constellations and information about the objects which make them up. Contains a great deal of information about various stars, galaxies and other objects, as well as details on how best to observe them.
BBC
Bbc: Dark Matter
A clear explanation of how dark matter was discovered and why it is important to astronomers.
TeachEngineering
Teach Engineering: Beyond the Milky Way
When we look at the night sky, we see stars and the nearby planets of our own solar system. Many of those stars are actually distant galaxies and glowing clouds of dust and gases called nebulae. The universe is an immense space with...
Natural History Museum
Natural History Museum: Our Place in the Universe
Part of a larger online exhibit on the moon and space, this site deals with one's place in the universe. The topics covered include the sun and solar system, the galaxy, and the universe.
Other
University of Alabama: M31: The Andromeda Galaxy
View satellite photographs of the Andromeda Galaxy.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Universe a Bit Safer Than We Thought
From ABC News in Science, Heather Catchpole's article explores issues related to the collision of galaxies and the subsequent formation of black holes.
NASA
Nasa: Imagine the Universe: X Ray Binary Stars
Site provides a brief introduction to binary stars. Additional resources for students and teachers on this topic are offered as well as related topics.
NASA
Nasa: Imagine the Universe: "Nasa Detects One of Closest"
Site provides the article, "NASA Detects One Of Closest And Brightest Gamma Ray Bursts." Provides links to learn more about gamma rays and black holes as well as other resources.