Artistic Illustration (IMAGE) Chinese Academy of Sciences Headquarters Caption This is an artistic illustration of POLAR on board Tiangong-2 space lab, with artwork based on a real photo captured by an onboard camera. Credit Image by IHEP 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.