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A supermassive black hole has been found in an unusual spot: an isolated region of space where only small, dim galaxies reside. Image credit: NASA/JPL-Caltech

Astronomy, Black Holes, X-Ray Astronomy

Dense Gas Clouds Blot The View Of Supermassive Black Holes

20 Feb , 2014 by Elizabeth Howell

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 […]

karl remeis observatory, Rossi X-Ray Timing Explorer, san diego, supermassive black hole, University of California

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