Follow along as host Jessi and her mouse sidekick, Squeaks, examine space's comets and asteroids. Discover what they are made of, their size, where we can find them, and two of the more popular space objects of the group.

As the dusty tail of a comet pass near Earth, particles fly off and burn up in Earth's atmosphere creating beautiful meteor showers. Learn about the Perseid Meteor Shower and the NASA space craft that make it possible for us to know when...

Dinosaurs owe their destiny to an asteroid. What are the chances humans will meet the same fate? A fascinating video lesson considers the probability of an asteroid colliding with the earth while taking into account variations in...

When you wish upon a shooting star ... you're actually pinning your hopes and dreams upon a meteor! Science scholars discover the origin of these dazzling falling bodies in a video that's sure to captivate. The narrator explains the...

What happens when a comet full of 'volatiles' comes to close to the sun? The volatiles ignite, creating a long gaseous tail. Are there differences between meteors and comets? Leading scientists and CG graphics help differentiate the two...

A video exploring "flying space rocks" known as comets and asteroids. Learn about how comets got their name and the most famous comet. Also understand where asteroids are found and how they change into meteor then meteorite. [4:00]

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.

Meteors are small bits of interplanetary debris broken off from asteroids or comets. When the Earth plows through the stream emitted by a comet, we get a meteor shower. Meteors burn up about 100 km above the Earth, but some survive to...

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

Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower....

Comet Siding Spring is about to fly historically close to Mars. The encounter could spark Martian auroras, a meteor shower, and other unpredictable effects. Whatever happens, NASA's fleet of Mars satellites will have a ringside seat....

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...

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.

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

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.

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.

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.

"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...

"The survivals and extinctions at the close of the Cretaceous are such as might be expected to result from intensely hot winds such as would be generated by extra large meteoritic impacts." This article suggests that this theory should...

This is a list of links to online resources related to the study of the planets. It has a literary theme associated with the Lewis Carrol poem "The Hunting of the Snark" with many quotes from literature and science. Navigation tools...

Read about our solar system and its formation over 4.6 billion years ago. Find out about the planets, asteroids, meteors, satellites, and comets. More in-depth planet background can be accessed through links.