Water on Lunar Surface (IMAGE) Southwest Research Institute Caption Using extensive experiments with water and lunar samples collected by the Apollo missions, an SwRI scientist calculated the amount of energy needed to remove water molecules from lunar rock. This research recently helped scientists better characterize the amount of water on the lunar surface. Credit NASA/JPL/USGS Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only 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.