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Gas around supermassive black holes tends to clump into immense clouds, periodically blocking the view of these huge X-ray sources from Earth, new research reveals.
Observations of 55 of these “galactic nuclei” revealed at least a dozen times when an X-ray source dimmed for a time as short as a few hours or as long as years, which likely happened when a gas cloud blotted out the signal seen from Earth. This is different than some previous models suggesting the gas was more uniform.
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Read the rest of Gas Clouds Blot The View Of Supermassive Black Holes (182 words)
© Elizabeth Howell for Universe Today, 2014. |
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Post tags: karl remeis observatory, Rossi X-Ray Timing Explorer, san diego, supermassive black hole, University of California
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