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ALMA Determines Mass of Supermassive Black Hole in NGC 3258



Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have observed the dynamical sphere of influence of a supermassive black hole located at the center of NGC 3258, a giant elliptical galaxy about 100 million light-years from Earth, and determined that this black hole weighs a staggering 2.25 billion solar masses. Astronomers use a variety of […]



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