A video and a short multiple-choice quiz on the Universe and what it is made up of.

This site provides an introduction to the origin of the universe for the young child and the Big Bang theory. There is also a song about the Doppler Shift. Vocabulary glossary and printable version available.

PBS site explores these building blocks of the universe as well as their various types and clusters.

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.

In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky- what, if anything, was going to show up? But what came back was nothing...

Basic information about the universe, its origin and composition. Also includes information about galaxies, stars, and the sun.

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!

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.

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...

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.

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.

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.

Provides a general overview of irregular galaxies, including a specific look at type I and type II irregulars.

Provides a general overview of spiral galaxies, including descriptions of the different classes of spiral galaxy.

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...

A list of answers to many questions related to quasars and active galaxies.

At this site from HubbleSite you can discover the universe by taking a look back toward the beginning of time. Site contains links to information on planets, stars, galaxies, and much more.

Bite-size introduction to two scientists-Hubble and Lemaitre-who played key roles in formulating the theory of the origin of the universe known as the big bang. Includes an interactive timeline on which you can plot out the approximate...

Start with the questions all students ask: How big is the universe, how far away are the planets and stars, how did they form and when, how do they move and why? Build on their natural curiosity. The Smithsonian, in cooperation with...

The Universe is very diverse and contains many unique elements that can be observed in this gallery of pictures.

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.

A basic overview of supernovas. Links to more information about starts, planets and other objects in our solar system and galaxy are included.

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...

Provides facts about the Universe, Jupiter, the Milky Way Galaxy, and Superclusters.