In this Space Place episode, students find out why the sun is so hot. [2:40]

NASA sponsored site dealing with several topics in Astronomy and Astrophysics. The site provides links to various topics.

A detailed chronology of all Russian and American attempts at lunar and planetary exploration. Contains links to each individual spacecraft.

Comet collision with Jupiter with lots of pictures and some text. Links to the information about the comet, the impacts, and observations made by four different spacecraft.

This is the homepage of all of the archived information about and from the Galileo Mission. Included is data from the flybys of Venus, Earth, Moon, and Asteroids Gaspra and Ida, as well as the current data from Jupiter and its moons. See the first picture of a natural satellite of an asteroid.

A well-indexed collection of NASA images taken by the Galileo spacecraft. Images include the spacecraft itself prior to launch and all of the solar system objects this incredible mission has visited.

A summary of the mission in which John Glenn returned to space 36 years after his 3-orbit Mercury program mission in 1962. A description of the mission is provided. Information on the other six members of the crew is included.

A section of NASA's site that highlights the science activity taking place on the International Space Station. Read latest news and groundbreaking findings, and also learn about the careful planning and preparation that go into conducting experiments on board Space Station.

An article on attempts to save the spotted owl. Biologists are using satellites to monitor potential habitats for this bird of prey and to gather data on the approximate number of spotted owls in circulation.

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.