A University of Utah astronomer and his colleagues discovered that an ultracompact dwarf galaxy harbors a supermassive black hole — the smallest galaxy known to contain such a massive light-sucking object. The finding suggests huge black holes may be more common than previously believed. “It is the smallest and lightest ...
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Watching for a black hole to gobble up a gas cloud: Gas cloud’s fate illuminates growth of supermassive black holes Right now a doomed gas cloud is edging ever closer to the supermassive black hole at the center of our Milky Way galaxy. These black holes feed on gas and ...
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Astronomers have used NASA’s Chandra X-ray Observatory and the European Space Agency’s (ESA’s) XMM-Newton to show a supermassive black hole six billion light years from Earth is spinning extremely rapidly. This first direct measurement of the spin of such a distant black hole is an important advance for understanding how ...
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