Messier 22 (IMAGE) University of Göttingen Caption Near the centre of the globular cluster Messier 22, the team of scientists discovered the remains of a nova. Credit ESA/Hubble and NASA, F Göttgens (IAG) 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.