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A Chandra X-ray Observatory image of the nearby galaxy Centaurus A, whose nucleus contains an active supermassive black hole. A new Chandra study of quasars, galaxies with extremely luminous nuclei, has discovered the most distant known X-ray quasar.
Credit: NASA/CXC/CfA/R.Kraft et al.
Low Resolution Image (jpg)
Credit: NASA/CXC/CfA/R.Kraft et al.
Low Resolution Image (jpg)
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