Discover interesting information about the planet Mars through a vast archive of photographs and scientific facts.

Explore the planet Uranus through this site that includes vivid multimedia resources. Learn Uranus statistics and view numerous images.

Explore the planet Jupiter through this site that includes vivid multimedia resources. Learn Jupiter statistics and view numerous images.

Explore the planet Earth through this site that includes vivid multimedia resources. Learn Earth statistics and view numerous images.

Discover interesting information about the planet Venus through a vast archive of photographs and scientific facts.

This activity explores the relative size of the eight planets that circle around the Sun.

These hands-on activities 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.

Examine the variety of weather found on all of the planets in the solar system with this classroom exercise. Students will see a video and observe differences and similarities among the planets.

This impressive compilation of ideas is a great source for space science. Loaded with extra links for further information on the solar system.

The innovative resource examines images of the Sun, Moon, Pluto, and all eight planets in the Solar System. Learners calculate the diameter of each object and rank the objects in order of size. The activity has an interactive online...

This illustration from the Lunar and Planetary Laboratory shows the approximate sizes of the planets relative to each other. Note that the planets are not shown at appropriate distances from the Sun.

Comprehensive look at the planet Venus, with many useful facts, figures, photos, and related links. Provides an account of how Venus got it's name and a timeline of significant dates.

An article about the Planetary Science Institutes's advanced computer software, which it uses to model the way the solar system may have formed. Includes some insights into the results already obtained.

Constellation of articles, images, diagrams, posters, videos, and more on the subject of the search for planets, particularly Earth-like planets, outside our solar system.

Explore the mythology, structure, observational history, gravitational force, and orbit of Earth's Moon.

In this simple lesson, students grow yeast to learn how the climates on each of the nine planets would affect life.

Observe the sun and the rotation of the planets in this moving image from NASA. Observe the axial tilts and directional rotation of planets and how they differ for each planet. Be sure to read the background information on how planets...

Features a collection of hands-on activities, investigations, and explorations designed to engage students in learning about ice, both in the solar system and on planet Earth.

Learn some of the characteristics of Mars. These characteristics lead some people to believe that life forms may be found on the fourth planet from the Sun.

This site provides a free space simulation that lets you explore the universe in three dimensions. There is a forum for teachers and lesson plans that help enhance student use of the simulation. A program must be downloaded in order to...

Describes in detail the devastating storms that occur on Uranus.Also includes an .mpeg movie showing the rings of Uranus up close. (Mar. 29, 1999)

Learn fun facts and details about the atmosphere, composition, and discovery of Neptune, the last planet in our solar system.

Kids learn about astronomy, the study of outer space including the stars, planets, comets, black holes, and the Solar System. History and astronomers in this astronomy for teachers and kids section.

Discover interesting facts about comets, an icy time capsule left over from the birth of planets.