Hubble Image of Messier 3 (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption Messier 3: Containing an incredible half-million stars, this 8-billion-year-old cosmic bauble is one of the largest and brightest globular clusters ever discovered. Credit ESA/Hubble & NASA, G. Piotto et al. Usage Restrictions None Share Print E-Mail 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.