Science News: Astronomers report at an 8 June meeting of the American Astronomical Society that some of the biggest supermassive black holes in nearby galaxies are at least twice and possibly four times as heavy as previously estimated.
The findings come from new simulations by two independent teams of researchers, as well as new observations of stars whipping around a handful of supermassive black holes at the centers of massive galaxies no more than a few hundred million light-years from Earth.
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