Floating Water Bubble (IMAGE) NASA/Johnson Space Center Caption NASA astronaut Karen Nyberg watches a water bubble float freely between her and the camera, showing her image refracted in the droplet. Credit NASA 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.