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Science 16 March 2001:
Vol. 291. no. 5511, p. 2067
DOI: 10.1126/science.291.5511.2067
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News of the Week

ASTRONOMY:
Stars Rise From Ashes in Globular Cluster

Govert Schilling

Like houses in an industrial area, the stars in a globular cluster are polluted by the exhausts from nearby chemical plants. In a paper to appear in Astronomy and Astrophysics, Italian astronomers report that sun-sized stars in a globular cluster known as NGC 6752 contain heavy elements that cannot be manufactured in stars that small. The astronomers think the stars acquired the material from now-defunct larger stars--a type of recycling previously seen only in a few binary star systems.

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