After listening to excerpts from four of the violin concertos from "The Four Seasons" by Italian composer and violinist, Antonio Vivaldi, decide which excerpt was meant to go with which season, and also decide where the earth would be in relation to the sun at each season in this interactive computer activity from NASA.

A description of the missions of Chandra. There is also an audio song. Glossary, graphics and printable version of page included.

This site provides a description of "dark matter" and how scientist study it.

This site provides a description of "dark matter" and how scientists study it. Vocabulary words linked to a glossary of terms, and a printable version are also available on the site.

A brief description of Infrared Astronomy Satellite (IRAS) project and its discoveries. Complete with graphics, links to a glossary of terms, and a printable version of the page.

This site provides a description of the International Ultraviolet Explorer and what it accomplished. Glossary, graphics and a printable version are also included.

Use this site to find out where falling stars come from. Audio content included. Vocabulary words linked to a glossary of terms. Printable version available.

This site has a description of the different probes to pass by and land on Mars. Glossary, graphics, and printable version are also included.

This site has a description of the many probes sent to the outer planets, including pictures and vocabulary words linked to a glossary of terms. Other links on interesting facts and more detailed information are also included.

NASA presents the amount of energy, type of energy, brightness, and the detection of quasars. Provides several examples, pictures, and information.

A good simple introduction to planet Saturn for young students. Audio content available. Vocabulary words linked to glossary of terms. Printable version available.

This site has a description of Skylab, its history and what it was used for. Includes glossary, graphics, and printable version.

This page of NASA's excellent Starchild site deals with Space Probes. Learn about the vaious planetary probes by clicking on the planet of interest.

A brief discussion of the space probes that have reached the planet Venus.

The Russian space station Mir is illustrated and described. Features include vocabulary words linked to a glossary of terms.

This site provides a description of what a space station is and what it is used for. There are also brief descriptions of Mir and Skylab.

This site has the history of space travel. Includes President Kennedy's speeches on the Apollo program that can be downloaded. Many graphics, and a very complete history of space travel with links to more detailed information.

What is the "space fashion" today? Use this site to view pictures and find out what astronauts wear in space. Printable version available.

What would you wear if you went to space? Your bags are already packed for you. Get a brief description of the different outfits worn by astronauts in space. Includes pictures of different spacesuits.

A short description of the CGRO and its mission. Printable version available. Includes graphics and vocabulary words are linked to a glossary of terms.