天问二号AISDR探测2016 HO₃示意图。 (IMAGE) Beijing Zhongke Journal Publising Co. Ltd. Caption 探测器与小行星保持相对静止,距离约为600米,通过小行星自身自转实现对小行星整体探测。 Credit 北京中科期刊出版有限公司 Usage Restrictions Credit must be given to the creator. License CC BY 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.