回顾了2021年全球空间科学重要进展、美欧俄中等国家和地区组织最新空间科学重大发展战略和规划、新发射的空间科学任务平台和新选定的未来任务。盘点了“帕克太阳探测器”首次飞越日冕，“洞察号”揭示火星内部结构，阿联酋、中国、美国探测器齐聚火星，美国绘制天文学和天体物理学发展路线图，欧洲确定2035—2050年大型空间科学任务科学主题，中俄发布国际月球科研站路线图，“詹姆斯·韦伯空间望远镜”成功发射，中国成功发射太阳探测科学技术试验卫星和可持续发展科学卫星，美欧批准新的金星探测任务等重大成果和事件。
This paper reviews the important research progress, major strategic adjustments of the US, Europe, Russia, China, and other regional organizations, and newly lunched and selected space science missions in 2021. The contents include Parker Solar Probe flew through the corona for the first time, InSight lander revealed the interior structure of Mars, spacecraft of the UAE, China, and US gathered on Mars, scientific researches of ISS attracted continuous attentions, US released new development roadmap for next decade of astronomy and astrophysics, ESA chose future large-class scientific mission themes for 2035-2050, China and Russia revealed roadmap for international moon base, JWST was successfully launched, China successfully launched solar exploration science and technology test satellite "Xihe" and sustainable development satellite SDGSAT-1, and NASA and ESA approved new missions to study Venus.
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