Gravity Anomalies (IMAGE) Brown University Caption The full moon as seen from Earth. Gravitational anomalies surround the Procellarum region are superimposed in red. New research suggests these anomalies were once the source of a massive lava flow on the moon. Credit Kopernik Observatory/NASA/Colorado School of Mines/MIT/JPL/Goddard Space Flight Center 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.