A rare trio of merging galaxies called J121/1219+1035 hosts three actively feeding, radio-bright supermassive black holes, according to a team of U.S. astronomers.
An artist’s impression of a rare trio of merging galaxies, J121/1219+1035,…

A rare trio of merging galaxies called J121/1219+1035 hosts three actively feeding, radio-bright supermassive black holes, according to a team of U.S. astronomers.
An artist’s impression of a rare trio of merging galaxies, J121/1219+1035,…