Polar Cyclone and The Maud Rise Polynya (IMAGE) New York University Caption Satellite images of a polar cyclone (left) and the Maud Rise Polynya (right) in September 2017. Credit NASA Worldview 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.