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This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray datafrom...
ESA’s Herschel space observatory has made detailed observations of surprisingly hot molecular gas that may be orbiting or falling towards the supermassive black hole lurking at the...
Astronomers have watched the sudden brightening of a galaxy and realized it can mean only one thing: a supermassive black hole has “woken up” and feasted after a long period of...