STAR Detector (IMAGE) Kent State University Caption The Solenoidal Tracker at RHIC (STAR) is a detector which specializes in tracking the thousands of particles produced by each ion collision. The massive unit weighs 1,200 tons and is as large as a house. Credit Photo courtesy of Brookhaven National Laboratory. 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.