NGC-1277 (IMAGE) Max-Planck-Gesellschaft Caption Invisible gravitational trap: the centre of the NGC 1277 disk galaxy harbours a black hole with 17 billion solar masses -- one of the heaviest ever found. Credit NASA / ESA / Andrew C. Fabian / Remco C. van den Bosch (MPIA) Usage Restrictions None License Licensed content 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.