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...

In this space science worksheet, students read facts about the solar system. Students look at the diagram showing the position of the planets. Pluto is included as a planet here.

Kids learn about comets and meteors in the science of astronomy including the coma and tail, meteorites, meteoroids, the Kuiper belt, and the Oort cloud.

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]

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.

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...

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....

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

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 provides a detailed description of the Comet Halley. Content includes historical highlights and images.