Comet Links
Comets and Meteor Showers News, information, amateur and professional observations, research.
CONTOUR mission page Overview of instruments, latest news, Q&A section.
Deep Impact mission page Overview of mission and information on Comet Tempel 1.
Deep Space mission page Covers science of the mission, quick facts about Deep Space 1 and press releases and images.
Giotto mission page European Space Agency's page on this Halley's comet mission.
Nine Planets Comets page General information and images.
The Sakigake Mission Page Information and links to more information.
The Small Comets Page University of Iowa answers all of your questions regarding small comets.
The StarDust Mission page Covers first US mission dedicated solely to a comet.
The Suisei Mission Page Information and links to more information.
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Hale-Bopp continues to offer surprises as astronomers study the comet. Using the Hubble Space Telescope and the International Ultraviolet Explorer, astronomers have found that their are distinctly different
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Six spacecraft flew by Halley's comet in 1986. There were two spacecraft launched from Japan, Suisei and Sakigake, and two from the Soviet Union, Vega 1 & 2. One spacecraft, ICE, from the United States
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Comets are observed to go around the sun in a long period of time or a short period of time. Thus they are named "long-period" or "short-period" comets. One group of short-period comets, called the Jupiter
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Scientists have learned a great deal from the crash of comet Shoemaker-Levy 9. Scientists traced the orbit of the comet backwards in time to guess its origin. This calculation, along with the discovery
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Mathematical theory suggests that comet Shoemaker-Levy 9 was likely a short-period comet which was captured into orbit around Jupiter in 1929 and began to execute the trajectory plotted in this diagram.
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As the ices of the comet nucleus evaporate, they expand rapidly into a large cloud around the central part of the comet. This cloud, called the coma, is the atmosphere of the comet and can extend for millions
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When evaporation begins, the gas is propelled from the nucleus at supersonic speed (depicted by arrows in the figure). Because of the low gravity in space, this means that the molecules from the nucleus
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