RAPTORS (IMAGE) University of Arizona Caption The RAPTORS system atop the Kuiper Space Sciences Building at the University of Arizona was used to collect data for this study. Credit Vishnu Reddy/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.