Grace Halferty and Instrument (IMAGE) University of Arizona Caption Grace Halferty, a senior graduating this summer with a bachelor's degree in aerospace and mechanical engineering and the paper's lead author, with the instrument researchers built to measure the brightness and position of SpaceX Starlink satellites. Credit Kyle Mittan/University of Arizona Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated. 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.