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Tiny supermassive black hole discovered in dwarf disc galaxy

12 August 2015 Astronomy Now

Astronomers using NASA’s Chandra X-ray Observatory and the 6.5-metre Clay Telescope in Chile have identified the smallest supermassive black hole ever detected in the centre of a galaxy. This oxymoronic object could provide clues to how larger black holes formed along with their host galaxies 13 billion years or more in the past.

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Hubble finds phantom objects near dead quasars

4 April 2015 Astronomy Now

The NASA/ESA Hubble Space Telescope has imaged a set of enigmatic quasar ghosts — ethereal, looped structures glowing green that orbit their host galaxies marking the graves of quasars that flickered to life and then faded. They offer new insights into the turbulent pasts of these galaxies.