ScienceGalaxies With 'Rain' Experience Better Star Formation Than Others A precipitation or "rain" of cool gas helps galaxies form new stars, astronomers say. However, a supermassive black hole at the center of a galaxy cluster can sometimes shut off that rain, leaving feeble, barren galaxies, they find.by Jim Algar
ScienceSupermassive black holes discovered...not one, not two, but THREE...at heart of distant galaxyby James Maynard
SciencePair of supermassive black holes spotted in cosmic tango by European astronomersby Alexander Saltarin
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