Reef halos from above (IMAGE) University of Hawaii at Manoa Caption Halos in the Red Sea. Credit Copyright: CNES/Airbus; DigitalGlobe. Usage Restrictions Image may only be used with appropriate caption and credit 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.