A nice encyclopedia article from Wikipedia on comets describes what they are, their physical characteristics, gives a history of comet study, and provides a list of well-known comets.

This site contains 5,161 images of the Hale-Bopp comet from 1995 to 2000. This incredible photo archive is definitely worth a visit.

Site provides extensive information in the study of comets. Includes excellent graphics that depict what comets look like as they travel through the solar system. Also includes information on how comets may have effected the Earth's...

An interactive book full of interesting information about comets - their discovery, beliefs about them, factual information, and famous comets. An 'All about comets' link at the bottom of the page has lots of background information on...

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

Comet collision with Jupiter with lots of pictures and some text. Links to the information about the comet, the impacts, and observations made by four different spacecraft.

Learn how to recognize a comet by the type of tail it has.

Create your own comet using different combinations of chemical ingredients and see what it looks like when completed.

This site takes readers on a comet adventure. Learn everything you ever wanted to know about comets--including how and where they come from, specific comets throughout history and different comet exploration missions. Interactives are...

Learn about comets: Where do comets come from? What brings comets near Earth? What makes comets look fuzzy? What do comets look like up close? What's inside a comet? Why do comets have tails?

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

A detailed description of comets, their distinct parts, and the known comets in our solar system. Links are also provided for additional information on related subjects.

This comet fact sheet, supplied by the NSSDC, provides a table of information on selected comets, complete with commentary when appropriate. Includes details of missions to observe these comets.

A rendezvous with a comet was the goal for NASA's Stardust mission. Read about the mission and the comet here.

This resource contains a small amount of information on NASA's comet probe, Stardust.

Brief list of facts about the space probe Philae and comet 67b.

Northeast Parallel Architectures Center at Syracuse University provides a site dedicated to compiling the best images and information regarding Comet Shoemaker-Levy 9 and its collision with Jupiter. Great animations.

This site provides extensive information on the controversial theory that there are millions of small comets which continually burn up yearly in the earth's atmosphere.

This resource provides an article on the Stardust space probe and how it snags burning particles from comets and returns them to earth. Mainly discusses the "Gravity boost," planet earth gave the probe as it began searching for a comet.

[Free Registration/Login may be required to access all resource tools.] Describes the characteristics of comets.

[Free Registration/Login may be required to access all resource tools.] Describes the characteristics of comets.

Use marbles to discover how comets and asteroids make impact craters. This hands-on experiment is easy to do and gives you many variations to try. Included are links to additional information.

Excellent links to books, images, videos, and articles about the collision of Comet Shoemaker-Levy 9 with Jupiter. Also links to a short page about Gene Shoemaker, one of the team who discovered the comet.

This site provides a detailed overview of the comet C/1843 D1 (the great march comet of 1843). Content includes discovery, orbit, and observational information.