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Science 12 July 2002:
Vol. 297. no. 5579, p. 177
DOI: 10.1126/science.297.5579.177
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News of the Week

SOLAR SYSTEM ORIGINS:
Diamond Dust Dearth Raises Doubts

Richard A. Kerr

Most experts agree that the solar system's most ancient rocks from asteroids and comets should be sprinkled with microscopic diamond dust, a remnant of ancient stars. But a group of researchers reported this week that at least some of the most primitive, unaltered rock in the solar system contains no diamond star dust at all. The finding raises questions about just how star stuff came to form the solar system.

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