Young Star Illustration (IMAGE) Center for Astrophysics | Harvard & Smithsonian Caption It's easier to tell the age of a young star because they rotate more quickly and have larger starspots. Credit David A. Aguilar (CfA) 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.