Persistent "hiccups" in a far-off galaxy draw astronomers to

A previously quiet black hole at the center of a distant galaxy has suddenly erupted, giving off plumes of gas every 8.5 days. These “hiccups” suggest black hole accretion disks may be more varied than previously thought, possibly containing other black holes, and even entire stars.

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Czech Republic , Italy , Madrid , Spain , Czech , Erin Kara , Peter Kosec , Richard Saxton , Michael Fausnaugh , Megan Masterson , European Space Astronomy Centre , Tor Vergata University Of Rome , Principal Research Scientist Ronald Remillard , Kavli Institute For Astrophysics , Sky Automated Survey For Supernovae , Masaryk University , Space Research , Science Advances , Associate Professor Erin Kara , Tor Vergata University , Astronomical Institute , Czech Academy , All Sky Automated Survey , Interior Composition Explorer , International Space Station , Mit Kavli , Mit Physics , Dheeraj Pasham , Black Hole Science , Ssasn , Lack Hole Hiccup , Neutron Star Interior Composition Explorer , Lack Hole Accretion Disks , Asa Nicer ,