1999 KUIPER PRIZE LECTURE: Cometary Orig
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Armand H. Delsemme
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Article
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2000
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Elsevier Science
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English
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Most of the biosphere was brought on the primitive Earth by an intense bombardment of comets. This included the atmosphere, the seawater and those volatile carbon compounds needed for the emergence of life. Comets were thrown into the inner Solar System by the strong perturbation induced by the grow