Comets are like asteroids, but when they are near the sun they release dust or gas. This gives them a tail or makes them look fuzzy.
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Comet Shoemaker-Levy Collision with Jupiter
Extensive coverage of the event July 1994. Includes observations, reports, 1444 images, news releases and links.
The Age of Comets
Article by William Newcott republished from the National Geographic magazine.
British Astronomical Association Comet Section
News, recent observations, observing information and advice.
Comet data archive for amateur astronomers. Includes observation logs and discussions. In English and Italian.
Catalogue of Comet Discoveries
Downloadable catalog. Also news, reading list, articles, links.
Comet Information and the International Comet Quarterly
From the Smithsonian Astrophysical Observatory. News, observations, orbital data, comet names and designations, links.
Catalogue of images, ordered by comet.
Comet Section of Germany
News, observations, analyses of current comets, images, archives, links.
Comet's Long Tail Tickles Ulysses
The solar polar orbit satellite observed tail of comet Hyakutake by means of magnetic fields and particle count anomalies. Article from Science News.
Overview provided by David Jewitt, an astronomer at UCLA.
Glossary of comet (and astronomical) terms.
Lists and Plots: Comets
Offers updated orbital data, lists and orbit diagrams. Includes near Earth objects and minor planets.
Orbit computations for selected comets.
The original discovery and latest news about a new class of interplanetary bodies.
Views of the Solar System: Comets
Basic features, data, discoveries, images and sections with specific information on selected comets.
Encyclopedia entry covers physical characteristics, history. List of well-known comets.
Windows to the Universe: Comets
General information and data, pictures, details on the most interesting ones.
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