Quasar (IMAGE) University of Colorado at Boulder Caption This is an artist's concept of a quasar, or feeding black hole, similar to APM 08279+5255, where a team of astronomers including CU-Boulder discovered huge amounts of water vapor. Credit NASA/ESA 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.