Click and explore the solar system to discover where volcanoes can be found, on planets and moons.

Where is our Solar System? How far away is the sun? What makes up the sun? Find out all you want to know about our solar system. This is a comprehensive on-line site about space and astronomy. Check out all of the excitement!

A series of questions about the moons of our Solar System is presented in a millionaire game format.

Get to know the twin of Neptune with this introduction to Uranus. Listen to the information in an audio file. Features include a printable version of the page, and vocabulary words are linked to a glossary of terms.

Discover interesting facts about the planet Uranus and what it looks like.

Flip this interactive card to start learning about the planet Venus. Answer multiple-choice and fact-or-fiction questions and review some fast facts about Venus.

Did you know you can see many satellites with the naked eye? Try this activity and find out for yourself!

Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...

Excellent resource for "paper-plate" activities that help simplify various astronomy topics. Learn how to build a "Moon Finder" and "Planet Pointer," and create a paper-plate model that explains the Transit of Venus.

These hands-on activities are are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

These hands-on activities are are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

A basic overview of the planet Venus. Links to information about the other planets and objects in the solar system are included.

A basic overview of the dwarf planet Pluto. Links to information about the other planets and objects in our solar system are included.

A basic overview of the planet Earth. Links to information about the other planets and objects in our solar system are included.

Provides good information about Mercury and is a good starting point for information about the planet along with pictures and audio. Links to a simple fact table, puzzle, glossary, and more detailed information.

Brief description of the earth's structure, surface, neighbors, and history with images.

This complete resource will help students to improve their understand of space exploration. Includes images of the universe, galaxies, stars and planets.

"First to use a telescope to overserve the starts and planets," Galileo Galilei secretly published his work, which contradicted the Catholic Church's teachings. Use this site to learn about how Galileo's independence and courage made him...

A basic overview of the planet Neptune. Links to information about the other planets and objects in our solar system are included.

A basic overview of the planet Mercury. Links to information about the other planets and objects in our solar system are included.

A basic overview of the planet Saturn. Links to information about the other planets and objects in our solar system are included.

A basic overview of the planet Uranus. Links to information about the other planets and objects in our solar system are included.

A basic overview of the planet Mars. Links to information about the other planets and objects in our solar system are included.

A basic overview of the planet Jupiter. Links to information about the other planets and objects in our solar system are included.