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Science 17 March 2006:
Vol. 311. no. 5767, p. 1536
DOI: 10.1126/science.311.5767.1536a
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News of the Week

PLANETARY SCIENCE:
Minerals Point to a Hot Origin for Icy Comets

Richard A. Kerr

HOUSTON, TEXAS--Scientists analyzing the first samples returned from a comet announced this week that they are finding not the unprocessed "stardust" thought to have glommed together in the frigid fringes of the early solar system, but bits of rock forged in white-hot heat. (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)