Lunar maps (IMAGE) Brown University Caption Pre-existing models for the Ina irregular mare patch (A, C, D) compared to more detailed and sharper shape-from-shading models from the study (B, E). Credit Photo courtesy of B.Boatwright, NASA/Goddard Space Flight Center/Ames Research Center Usage Restrictions Credit must be given to the creator. License CC BY 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.