MARLI Instrument Breadboard (IMAGE) NASA/Goddard Space Flight Center Caption The MARLI instrument breadboard is encased inside the clear case in the background. The cylindrical object in the foreground with the silvery outer shell is the optical etalon used in the lidar receiver. 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.