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Science 26 July 2002:
Vol. 297. no. 5581, pp. 532 - 533
DOI: 10.1126/science.1074922
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Perspectives

ASTRONOMY:
Of Clusters and Galaxies

Christine M. Clement

Globular clusters--compact and bright assemblies of stars--were long believed to have formed early in our galaxy's evolution. But as Clement explains in her Perspective, recent studies point to another, more recent source. During encounters with other, smaller galaxies, clusters may be captured. As a result, some long-held assumptions about globular clusters may need to be revised, as reported by Yoon and Lee.

The author is in the Astronomy and Astrophysics Department, University of Toronto, Toronto, Ontario M5S 3H8, Canada. E-mail: cclement{at}astro.utoronto.ca

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