Lunar samples under microscope (IMAGE) Stanford University Caption PhD student Ji-In Jung, left, and Assistant Professor Sonia Tikoo examine a collection of lunar samples. Credit Harry Gregory/Stanford University Usage Restrictions Credit must be given to the creator. License Original 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.