1. Asteroids and Comets
   http: //nssdc.gsfc.nasa.gov/planetary/planets/aster...
   
   
2. COMETS, orbit diagrams, finder charts
   Comet charts and orbit diagrams...
   http: //drdale.com/comets/
   
   
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. Comets and Meteor Showers
   Click on the comets below to display available histories and summaries of observations..
   http: //comets.amsmeteors.org/
   
   
6. Latest Pictures of Comets
   Images of comets, with dates, magnitude estimation,etc..
   http: //info.waseda.ac.jp/muraoka/members/seiic...
   
   
7. 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/
   
   

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