Research team (IMAGE) Dartmouth College Caption said Tonima Tasnim Ananna, a postdoctoral research associate at Dartmouth College, and Ryan Hickox, professor of physics and astronomy. Credit CREDIT- Robert Gill/Dartmouth College Usage Restrictions CREDIT- Robert Gill/Dartmouth College 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.