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comet: Related Content
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periodic cometionopausecomet taildirty snowball modelsandbank modelTempel-Tuttle Cometplasma tailJupiter-family cometSwings banddust tailasteroidSunmeteoritemeteor and meteoroidplanetmicrometeoroidinterplanetary mediumCentaur objectdwarf planetEarth impact hazard
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Key People

Fred L. Whipple
American astronomer

Edmond Halley
British scientist

Maria Kirch
German astronomer

Maria Mitchell
American astronomer

Carolyn Shoemaker
American astronomer

Wilhelm Olbers
German astronomer

Peter Naur
Danish astronomer and computer scientist

Giovanni Virginio Schiaparelli
Italian astronomer

Jean-Baptiste-Gaspard Bochart de Saron
French scientist

Gene Shoemaker
American astrogeologist

David H. Levy
Canadian astronomer and science writer

Pol Swings
Belgian astronomer

John Bainbridge
English astronomer

Pierre Mechain
French scientist

Giovanni Battista Donati
Italian astronomer

Alexis Bouvard
French astronomer

Wilhelm, Freiherr von Biela
Austrian astronomer
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