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Science 18 May 2001:
Vol. 292. no. 5520, p. 1283
DOI: 10.1126/science.292.5520.1283
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News of the Week

ASTROPHYSICS:
Star-Cluster Census Shows Surprises

Andrew Watson

Astrophysicists studying the cores of the ancient balls of stars known as globular clusters have a new weapon: the Chandra X-ray Observatory, uniquely equipped to spot the x-rays emitted by many of the core's inhabitants. As reported online by Science this week (www.sciencexpress.org), a team at the Harvard-Smithsonian Center for Astrophysics has used Chandra to produce a sharp, color-coded x-ray map of a core, resolve individual x-ray sources and their energies for the first time.

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