Massive Galaxies (IMAGE) Simons Foundation Caption Two titanic galaxies inhabited the early universe just a few hundred million years after the Big Bang, as seen in this illustration. The larger of the pair, right, is the most massive galaxy ever seen from when the universe was young. Credit NRAO/AUI/NSF; D. Berry 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.