Learn about one of the current space observatory launched into space: The Spitzer Space Telescope. Discover its purpose, activities, and how the telescope was built.

This article for younger students introduces the Hubble Space Telescope and what it is doing in outer space.

Find out how the Galex space telescope is determining the age of galaxies using red-shifted light. View pictures taken by Galex. This site also has a game which involves determining the ages of objects.

This site provides a short description of the space shuttle and what it is used for, with diagrams and one quiz question.

Illustrated discussion of the invention of the telescope with details on Galileo's telescope, the reflecting telescope, and the space telescope.

Kids learn about telescopes in the science of physics including lenses, mirrors, refracting, reflecting, the history, and the Hubble Space Telescope.

Part of the National Air and Space Museum's online exhibition about Exploring Planets, this describes and gives visuals of telescopes, probes and fly-by aircrafts, orbiters, and landers as current methods for earth and airborne...

Space can be explored in many different ways. Read about space exploration and click on the topics on the right margin to find out how man finds out about his universe.

Journey to the wildest regions of space, and wrestle with cosmic giants, galaxies. Explore the Hubble Deep Fields from a statistical point of view.

An interesting article describing repairs which were completed on the Hubble telescope in 1993 and 1997. Also contains links to pictures taken by the telescope.

This site from NASA provides an interestinnng approach to telescopes. "Almost all telescopes nowadays use mirrors, not lenses, to gather and focus the light from celestial objects. We have just seen, though, that mirrors reverse the...

Students explore Mars and Jupiter, the fourth and fifth planets from the Sun. They learn some of the unique characteristics of these planets. They also learn how engineers help us learn about these planets with the design and development...

Did you know that ancient astronomers could measure the distance to other stars? They could also distinguish between stars and planets. How could they do that without modern technology of telescopes? See if you can discover the link...

Learn about Edwin Hubble, an American astronomer who is known for playing a vital role in the development of extragalactic astronomy.

Investigate the science of radio astronomy, and create a model of a curved reflecting dish that will work like the Arecibo detector to detect electromagnetic waves. Explore risk using a risk space grid.

Amazing Science looks at the Solar System with this FAQ site and lesson plan.

Investigate the Big Bang Theory of the origin of the universe by researching the light spectrum and the actions of light waves. Create models that illustrate red shift in a moving star and the expansion of the universe.