telescopes

Provides a detailed history of the telescope. Discusses its original inventor and gives credit to the various scientists who perfected its use, including Galileo Galilei.

Sophie likes to stay by herself, looking at everything through her telescope, until she and the other children meeet a one-legged seagull.

Describes how the telescope was developed and the knowledge it has brought to scientists.

Shows pictures of objects which are too small, too far away, or too fast to see without mechanical assistance such as microscopes, telescopes, X-rays, and other techniques.

Discusses the development of microscopes and telescopes, how they work, and how to select and use them.

Introduces Mars, describing its physical features and what has been discovered about its surface.

Introduces Neptune, the farthest planet from the Sun, describing its orbit, rings, moons, and the gases that make up its surface.

Introduces Saturn, describing its physical features, rings, and moons.