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Science 15 December 2006:
Vol. 314. no. 5806, pp. 1690 - 1691
DOI: 10.1126/science.1136842
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Perspectives

ASTRONOMY:
Heavy Elements in Stars

Arnold I. Boothroyd

Abundances of elements produced in stars four to eight times the mass of the Sun indicate a different dominant nuclear reaction mechanism than in lower-mass stars.

The author is at the Canadian Institute for Theoretical Astrophysics, University of Toronto, Toronto, Ontario, M5S 3H8, Canada. E-mail: boothroy{at}cita.utoronto.ca

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