1. Solar System Exploration: Bodies: Comets
   Comets are dirty-ice leftovers from the formation of our solar-system around 4.5 billion years ago. They are among the least changed objects in our solar system, and, as such, may yield important clues about the formation of our solar system...
   http: //sse.jpl.nasa.gov/features/planets/comets/co...
   
   
2. explorezone.com: Explore the Science of Comets
   Animations and reference about the science of comets and meteor showers...
   http: //explorezone.com/space/comets.htm
   
   
3. Comet Observation Home Page
   Cmet pictures, information and more..
   http: //encke.jpl.nasa.gov/
   
   
4. Comets
   Unlike the other small bodies in the solar system, comets have been known since antiquity. There are Chinese records of Comet Halley going back to at least 240 BC...
   http: //seds.org/nineplanets/nineplanets/comets...
   
   
5. Near Earth Object Program
   Upcoming Asteroid Close Approaches To Earth ...
   http: //neo.jpl.nasa.gov/
   
   
6. Sky and Telescope's Comet Page
   Here you'll find information about bright comets currently of interest to amateur astronomers..
   http: //skypub.com/sights/comets/comets.shtml
   
   
7. COMETS, orbit diagrams, finder charts
   Comet charts and orbit diagrams...
   http: //drdale.com/comets/
   
   
8. NOVA Online - Doomsday Asteroid
   A comet is composed of a nucleus, a coma, and two kinds of tails. The nucleus, which is typically only about 1 to 10 miles across...
   http: //pbs.org/wgbh/nova/spacewatch/
   
   
9. Asteroids and Comets
   http: //nssdc.gsfc.nasa.gov/planetary/planets/aster...
   
   

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