Team for Mesospheric Sodium Lidar (IMAGE) NASA/Goddard Space Flight Center Caption Mike Krainak (left) and Diego Janches recently won NASA follow-on funding to advance a spaceborne sodium lidar needed to probe Earth's poorly understood mesosphere. Credit Credits: NASA/W. Hrybyk 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.