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Gas Clouds Blot The View Of Supermassive Black Holes

Thursday, February 20, 2014 6:51
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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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Source: http://www.universetoday.com/109582/gas-clouds-blot-the-view-of-supermassive-black-holes/

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