News of the WeekAstrophysics

Star-Cluster Census Shows Surprises

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Science  18 May 2001:
Vol. 292, Issue 5520, pp. 1283
DOI: 10.1126/science.292.5520.1283

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Summary

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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