Craters by the Thousands (IMAGE) Brown University Caption A research team led by Brown University mapped nearly 5,200 craters on the moon, the first global catalog of large craters on the lunar surface. The crater analysis could shed light on planetary bombardment in the inner solar system more than 4 billion years ago. Credit NASA/LRO/LOLA/GSFC/MIT/Brown 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.