News of the WeekPlanetary Science

Minerals Point to a Hot Origin for Icy Comets

Science  17 Mar 2006:
Vol. 311, Issue 5767, pp. 1536
DOI: 10.1126/science.311.5767.1536a

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Summary

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.)