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The weight of supermassive black holes found in the center of galaxies is usually estimated by measuring the effects of the huge gravitational fields on the objects located in the vicinity of the black holes in question. Now, a new and precise weighing method developed at the University of California with the help of data provided by NASA's Chandra X-ray Observatory, estimates the mass of supermassive black holes simply by measuring temperature peaks in the center of the galaxy. "This is... Read »