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Starving black hole returns brilliant galaxy to the shadows

19 September 2016 Astronomy Now

The mystery of a rare change in the behaviour of a supermassive black hole at the centre of a distant galaxy has been solved by an international team of astronomers using ESO’s Very Large Telescope along with the NASA/ESA Hubble Space Telescope and NASA’s Chandra X-ray Observatory. It seems that the black hole has fallen on hard times and is no longer being fed enough fuel to make its surroundings shine.

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Astronomers shed light on different galaxy types

14 September 2016 Astronomy Now

Australian scientists have taken a critical step towards understanding why different types of galaxies exist throughout the universe. The research means that astronomers can now classify galaxies according to their physical properties rather than human interpretation of a galaxy’s appearance.

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Citizen scientists discover huge Matorny-Terentev galaxy cluster

14 June 2016 Astronomy Now

Two volunteer participants in an international citizen science project, T. Matorney and I. A. Terentev, have had a rare galaxy cluster that they found named after them. The pair pieced together the huge C-shaped structure of RGZ-CL J0823.2+0333 from much smaller images of cosmic radio waves shown to them as part of the web-based program Radio Galaxy Zoo.