Find a large collection of internet resources organized around our home planet, Earth. Links to places to go, people to see, things to do, teacher resources, and bibliographies.

Enter our solar system to interact with the planets, moons, asteroids, meteors, and more. Investigate with NASA scientists and explore missions related to space exploration. Read facts, compare statistics, look through resources, and...

A detailed overview of the history, mythology, and current scientific knowledge of each of the planets and moons in the solar system.

The purpose of this activity is to use scaling in order to give students an idea of the size of Mars in relation to the Earth and the Moon as well as the distance between them. The students will have to calculate dimensions of the scaled...

Learn about the rotation of the earth, the movement of the moon, and the position of the sun.

Want to stretch your imagination? One good way is to try to imagine how far it is to a distant star. How much farther away is it than the moon is from the earth? In this project, you'll learn one way of measuring the distance without...

This article from the Windows to the Universe gives information on Mayan myths related to the Earth, rain, the Moon, Venus, Mars, and the Milky Way. There are illustrations and explanations of vocabulary. Choose from beginner to advanced...

This survey of the planets includes all the basics, size, mass, atmosphere, length of day, and the like. It features interactive activities and learning exercises and compares all of the planets in colorful tables.