Picking Out the True Grit of Stars

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Science  15 Nov 1996:
Vol. 274, Issue 5290, pp. 1078
DOI: 10.1126/science.274.5290.1078b

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The explosion of stardust studies wouldn't be possible without technologies that can identify genuine bits of stars in grit extracted from meteorites. One device can map the isotopic compositions of dozens of grains at once, revealing the occasional anomalous grain--a likely bit of stardust