This video segment adapted from NASA uses animation to illustrate the properties of meteor showers and comets. Included is are visualizations of a comet's tail and of Earth passing through a debris stream left behind by meteoroids.

This site from the American Meteor Society contains links to a calendar of meteor shower events and links to information on meteor showers. Also, contains information on comets.

This resource explains what comets are, where they come from, and how comets can cause meteor showers.

Use this site to find out where falling stars come from. Audio content included. Vocabulary words linked to a glossary of terms. Printable version available.

Want to know what the current weather conditions are in space? Find everything here you may want to know about the latest solar flares, sunspots, asteroids and more. Site also includes essential web links to quench any user's thirst for...

An overview of Walter and Luis Alverez's theory that a large meteorite crashed into earth causing huge tidal waves, showers of ash, and an enormous dust cloud.

Resource provides easy to understand information about comets. Click on the frequently asked question link to find out more about these mysterious celestial bodies.