Cryosat (image) Technical University of Denmark Share Print E-Mail Caption The European Space Agency launched the CryoSat satellite in 2010. It measures sea levels and changes in ice cover in the Arctic and Antarctic. Credit Illustration: ESA Usage Restrictions None Share Print E-Mail 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.