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Black Holes Galore
URL: http://sciencenews.org/20000115/fob1.asp
Submitted: Sat Sep 06 2003
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CT: Astronomy: Institutions: Observatories: X-ray: Black Holes Galore
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Description:
Chandra has identified the origin of high-energy X-ray background and found that galactic black holes are far more numerous than visible-light surveys indicate.