Matt McGill, NASA (IMAGE) NASA/Goddard Space Flight Center Caption Matt McGill is both a research physicist and the Earth Science Division chief technologist at NASA's Goddard Space Flight Center in Greenbelt, Md. Credit Credits: NASA's Goddard Space Flight Center 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.