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Heavyweight From the Distant Past

JUN 11, 2007
Physics Today
ScienceNow : Astronomers have found what may be one of the universe’s oldest supermassive black holes--an object so energetic that even medium-sized ground telescopes can still detect the radiation it emitted 13 billion years ago. The discovery suggests the need to develop “a radical alternative” to current theories of how black holes form, says astronomer Christopher Reynolds of the University of Maryland, College Park
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