Chondrites and the Solar Nebula

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Science  03 Oct 1997:
Vol. 278, Issue 5335, pp. 76-77
DOI: 10.1126/science.278.5335.76

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The meteorites called chondrites may hold some of the keys to understanding the formation of the solar system. In his Perspective, Brearley reports on a recent meeting of meteoriticists, who study such objects, including the famous Allende meteorite that fell in Mexico in 1969. One of the more intense debates at the workshop centered on whether and in what ways the chondrites were altered by heat or water during or after formation of the solar system. As the author discusses, the result of the meeting was a much clearer understanding of the direction of future research.