Mei 102012
Overfed Black Holes Shut Down Galactic Star-Making

  A new study has shown that galaxies with the most powerful, active, supermassive black holes at their cores produce fewer stars than galaxies with less active black holes. Credit: Illustration: NASA/JPL-Caltech Researchers compared infrared readings from the Hershel Space Observatory with X-rays streaming from the active central black holes in a survey of 65 [continue reading]