RAD12 and RAD12-B (IMAGE) Royal Astronomical Society Caption Image of the black hole within galaxy RAD12 spewing a large unipolar radio bubble on to its merging companion galaxy. Credit Dr Ananda Hota, GMRT, CFHT, MeerKAT Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.