News of the WeekAMERICAN ASTRONOMICAL SOCIETY

Waltzing Quasars Provide Signpost to Merging Galaxies

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Science  16 Jan 2009:
Vol. 323, Issue 5912, pp. 323
DOI: 10.1126/science.323.5912.323a

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Summary

A team reported here at the annual meeting of the American Astronomical Society that it has found a new way of spotting galaxy mergers: by looking for the dance of death of their central black holes.