A novel way to weigh giant black holes
Sunday, July 20, 2008 - 08:07
in Astronomy & Space
How do you weigh the biggest black holes in the Universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory. By measuring a peak in the temperature of hot gas in the centre of the giant elliptical galaxy NGC 4649, scientists have determined the mass of the galaxy's supermassive black hole...
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