上海市市南中学的阿杰问: 我对航天科学特别感兴趣。最近我了解到,目前太空中的太空垃圾已经给人造卫星和航天器的运行带来了很大危险,为了降低太空垃圾的威胁,欧洲航天局正在委托科学家开发一种能清除太空垃圾的航天器。我想请时博士详细介绍一下有关的情况,谢谢。 Ajie from Shanghai Nannan High School asked: I am particularly interested in aerospace science. Recently, I learned that the current space debris in space has brought great danger to the operation of satellites and spacecraft. In order to reduce the threat of space debris, the European Space Agency is commissioning scientists to develop a spacecraft capable of removing space debris. . I would like to invite Dr. Shi to give a detailed account of the situation. Thank you.