Years after ripping stars to shreds, 24 black holes suddenly flared up with radio waves in inexplicable 'burping' bouts. Half of all star-killing black holes may experience the same.
Black holes keep 'burping up' stars they destroyed years earlier, and astronomers don't know why : Read more
Black holes keep 'burping up' stars they destroyed years earlier, and astronomers don't know why : Read more
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