Candidate Recent Impact Site (IMAGE) University of Maryland Caption Four new craters were found; the largest is approximately 5.7 meters (nearly 19 feet) in diameter, while the smallest crater spans less than a meter (three feet). Image courtesy of NASA/JPL-Caltech/UArizona. Credit NASA/JPL-Caltech/UArizona Usage Restrictions No restrictions. License Public Domain 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.