Scholars take a journey through space with 16 eye-catching images. Along the way, learners read captions starting with the moon, then move onto asteroids, Mars, and Jupiter.

Follow along as Stella Stardust interviews the sun. A fun and informative interview provides scholars with information about the sun. 

Asteroids can be single large rocks, or they can be collections of rocks loosely bound by their mutual gravity "rubble piles." The difference is important to understand, so we know how to deal with these if they head towards Earth. A...

Learn about asteroids in our solar system. Discusses where you will find the asteroid belt and what it is. Vocabulary words linked to a glossary of terms and a printable version are available.

A breakdown of one of the largest asteroids in the solar system, Vesta is featured through data, images, and animation. This asteroid is found in the asteroid belt between Jupiter and Mars.

NASA has made predictions that by 2036 a quarter-mile-wide asteroid named Apophis could possibly collide with Earth. This site outlines what preventative measures scientists are taking to avoid this impact.

This is the homepage of the spacecraft NEAR Shoemaker, the first to conduct a long-term, close-up study of an asteroid. The site contains information on the asteroid 453 Eros, including mass, structure, geology, composition, and gravity.

A fantastic collection of information about the solar system. Includes information on all of the planets, the moon, the sun, asteroids, comets, meteoroids, and stars. Also find puzzles, a dictionary, quizzes, classroom activities, and...

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.

Cool Cosmos and NASA have joined together to provide kids with the answers to their most frequently asked questions. Visit this site to learn more about asteroids.

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...

This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.

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.

Examine evidence of a deep-sea core that provides evidence of an asteroid impact sixty-five million years ago, which may have contributed to the extinction of the dinosaurs.

The first meteorite fossil discovered in this period when tests can be run on it, was found at Chicxulub in Northeastern Yucatan, Mexico. Scientists believe it is part of the meteorite which made the dinosaurs extinct.

Our solar system is filled with a wide assortment of celestial bodies - the Sun itself, our eight planets, dwarf planets, and asteroids - and on Earth, life itself! The inner solar system is occasionally visited by comets that loop in...

A listing of clickable images of objects in the Solar System from the Hubble telescope that includes the following: Venus, Mars, Jupiter, Jupiter's satellites, Saturn, Saturn's rings and satellites, Uranus, Uranus' rings and satellites,...

Discover information about parts of the Solar System, along with definitions just by clicking on highlighted vocabulary terms. Be sure to try the "Solar System Activities" to review the material from these pages.

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.

"One of the great mysteries in science is the extinction of the dinosaurs at the end of the Mesozoic Era some 65 million years ago. Who (or more likely what) caused it is unknown and a subject of great debate." Many theories are touched...

An introduction to comets, including information on their composition, origin, and importance.

NOVA provides a report on comet Hale-Bopp and comet Hyakutake. Content includes discovery and observational information.

In this site, from the SkyServer of the Sloan Digital Sky Survey users hunt for stars, galaxies, quasars, asteroids and meteors. Learn what they look like and how to find them.

In this video segment adapted from NOVA, animations of an asteroid hitting Earth are used to illustrate this widely accepted theory of dinosaur extinction and the resulting conditions that favored mammals.