Researchers test the CubeSat (IMAGE) U.S. National Science Foundation Caption Researchers test the CubeSat, which is communicating with a ground station about four miles away. Credit University of Colorado Boulder 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.