This animation library is a great resource for a diverse list of earth science topics including: tsunamis, land subsidence, magnetic fields, volcanoes earthquakes, floods, and sea level changes.

From the Exploratorium Museum. Includes an interactive feature in which a visitor enters their weight on earth and has their weight on other planets computed and displayed. Discusses the distinction between mass and weight and describes...

Read about our planet's only satellite, better known as the moon in this colorful, illustrated tutorial.

An easy-to-read description and history of Ptolemy's geocentric model of the universe. Geocentric means that Ptolemy believed the Earth was the center of the universe.

An interactive look at our atmosphere and factors which affect planet Earth. NASA measurements of volcanic eruptions, toxic emissions, aerosols, and wind patterns are all graphically displayed. Basic text plus bold visuals make this...

Taken by Voyager 1 as it passed Jupiter in 1979, this image shows the Great Red Spot, which is a hurricane-like storm that has lasted over 300 years, and is more than three times the size of planet Earth.