Khan Academy
Khan Academy: Gallery: Structure in the Universe
The Universe is very diverse and contains many unique elements that can be observed in this gallery of pictures.
Scholastic
Scholastic: Study Jams! Science: Our Solar System: The Universe
A video and a short multiple-choice quiz on the Universe and what it is made up of.
NASA
Nasa: Imagine the Universe: Fa Qs on Quasars
A list of answers to many questions related to quasars and active galaxies.
University of Texas at Austin
The University of Texas Mc Donald Observatory: Stars and Galaxies
Do galaxies collide? Apply concepts of scale to grasp the distances between stars and 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.
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...
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...
Science Buddies
Science Buddies: The Milky Way and Beyond: Globular Clusters
Globular clusters, compact groups of about a million stars that move around together in galaxies, are among the oldest objects found in the universe. Since they are found most galaxies and since they've been around for so long, globular...
NASA
Nasa: Image Science Center: Ask the Space Scientist
A NASA scientist, Dr. Sten Odenwald, answers many students' questions. Topics include planets, galaxies, black holes, the origin of the universe, and common misconceptions about space.
NASA
Nasa: Imagine the Universe: Dark Matter
Site provides an introduction to dark matter and what it really is. Provides links to a quiz as well as facts about dark matter. Offers links to additional resources as well as related topics.
University of Texas at Austin
The University of Texas Mc Donald Observatory: The Milky Way
Students will work in groups to make up a story and picture that explains how someone living thousands of years ago in their location might have explained the Milky Way.
Mocomi & Anibrain Digital Technologies
Mocomi: How Big Is the Universe?
Provides facts about the Universe, Jupiter, the Milky Way Galaxy, and Superclusters.
Harvard University
Chandra X Ray Observatory: Video Podcasts: The Incredible Two Inch Universe
A set of podcasts outlining a four-step process for understanding the vastness of our universe, from the vicinity of the Earth and Moon, out into distant galaxies. Downloadable instructions and a handout are included, as well as...
PBS
Pbs: Nova Online: Galaxies, Clusters, and Superclusters
PBS site explores these building blocks of the universe as well as their various types and clusters.
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.
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
Northrop Grumman Corporation: Into the Unknown: Resources
The Northrop Grumman Corporation provides numerous resource about outer space and beyond.
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.
NASA
Nasa: Imagine the Universe: Welcome to the World of Multiwavelength Astronomy!
This Imagine the Universe site provides an introduction into the multiwavelength universe and astronomy. Site provides graphics, links to a quiz, facts on this topic as well as teacher resources.
NASA
Nasa: Imagine the Universe: Black Holes
Learn what black holes are and the myths that surround them.
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.
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.
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!
TED Talks
Ted: Ted Ed: What We Can Learn From Galaxies Far, Far Away
By studying the properties of the universe's largest pieces we can learn quite a lot about our own world and galaxy. [6:43]