News of the WeekSOLAR SYSTEM ORIGINS

Diamond Dust Dearth Raises Doubts

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Science  12 Jul 2002:
Vol. 297, Issue 5579, pp. 177
DOI: 10.1126/science.297.5579.177

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Summary

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.