Sparkler galaxy infographic (IMAGE) University of Toronto Caption The researchers studied the Sparkler galaxy located in Webb’s First Deep Field and used JWST to determine that five of the sparkling objects around it are globular clusters. Credit Canadian Space Agency with images from NASA, ESA, CSA, STScI; Mowla, Iyer et al. 2022 Usage Restrictions For media use related to article "The Sparkler: Evolved High-Redshift Globular Clusters Captured by JWST" License Original 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.