02-June-2004, 04:21 PM
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Vulcan Moderator
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Join Date: Oct 2001
Location: Greenbelt, MD
Posts: 24,227
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New Scientist article: Massive black holes common in early Universe
Quote:
Giant black holes were common in the early Universe, according to new observations, but most of them are buried in dust.
Teams from the US and Europe have found hundreds of these hidden giants by combining data from several telescopes, including some ground-based instruments and the big three in space: Hubble, the Chandra X-ray telescope, and the new Spitzer infrared telescope. These instruments cover a wide range of wavelengths and so together they can discern the signature of a hidden quasar.
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