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Science 29 November 2002:
Vol. 298. no. 5599, p. 1698
DOI: 10.1126/science.298.5599.1698a
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News of the Week

ASTRONOMY:
X-rays Show a Galaxy Can Have Two Hearts

Alexander Hellemans

Astronomers have sighted evidence of two black holes spiraling toward an eventual collision in the center of a nearby galaxy. The discovery has confirmed astronomers' long-held suspicions, based on indirect evidence, that the black holes at the hearts of many galaxies might come in pairs.

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