Self-Quenching Galaxy (IMAGE) University of Kansas Caption Color Hubble Space Telescope image of 'self-quenching' galaxies 6 billion light years away. The bright dot in the center is the compact area, and some fuzz around the edges tells researchers it's a merger remnant. Credit KU News Service 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.