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.

Comprehensive look at asteroids, with many useful facts, photos, and related links. Provides a detailed account of how asteroids get their names and a timeline of significant dates.

Students learn some basic facts about asteroids in our solar system, mainly about the size of asteroids and how that relates to the potential danger of an asteroid colliding with the Earth. Students are briefly introduced to the...

Get a reality check about a recent asteroid fly-by. Study videos, diagrams, and explanations of these near-misses.

Provides a general overview of comets, asteroids, and meteorites. Content includes ways to identify them in the night sky, as well as detailed information on each type of small body.

View a lithograph set that includes pictures and brief descriptions of planets, sun, asteroids, comets, meteors, and meteorites. While viewing the lithograph learn important dates and interesting facts about our solar system.

The large fireball observed on the morning of Feb. 15, 2013, in the skies near Chelyabinsk, Russia, was caused by a relatively small asteroid that entered Earth's atmosphere at high speed and at a shallow angle. Preliminary information...

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...

Learn the difference between asteroids and comets, meteoroids and meteorites, and more!

This April 2004 article provides insight and one view into the world of asteroid heating, the age of meteorites and new theories in the changes in shocked and unshocked chondrites. Some great photomicrographs.

This activity poses the question: What would happen if a meteor or comet impacted Earth? Students simulate an impact in a container of sand using various-sized rocks, all while measuring, recording and graphing results and conclusions....

A brief vocabulary overview describing the difference between asteroids, comets, and meteors.

StarChild from NASA defines and describes the Solar System in a simple and easy-to-understand manner. The website is broken down into two versions for the student, grade school and junior high.

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...

In this interactive tutorial students will learn what causes the seasons, diurnal cycles and how the constellations move through the sky. Learn we are able to see other planets and how astronomical events affected life on the Earth.

View these amazing high-quality images of our solar system from NASA with this lithograph set. Each lithograph contains images, facts, dates, and general information on a particular subject. Background information and teaching tips are...

Find out about why Earth's moon is full of craters, and what happens to asteroids and meteors when they come into contact with Earth.

This article, reprinted from the fall 1979 LBL News Magazine, was written about Dr. Luis Alvarez and his part in the study of geological sediments and the great extinctions.

Read about the origin and movement of meteorites and other space rocks.

In this lesson, students learn about objects in the universe, including constellations, planets, meteors, asteroids, and comets.

This site explores the smaller bodies in the solar system, namely the various asteroids and comets. Links are also provided for additional information on related subjects.

This site has links to all the planets, providing an overview of the solar system. It also contains information about asteroids, meteors, comets and other features of our solar system.

Contains a small set of images of solar system objects and a series of links to information about all solar system objects. Solar System Tours link to excellent image collections.

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