Rendering of sun umbrella (IMAGE) University of Hawaii at Manoa Caption Artist’s rendition of the proposed solar shield tethered to an asteroid as a counterweight. Credit Credit: Brooks Bays/UH Institute for Astronomy Usage Restrictions Image can be used with credit given 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.