2021年主要太空任务

Major Space Missions in 2021

After a series of successful space missions during the past year, 2021 promises some exciting new international exploration projects. 

过去一年，一系列太空任务取得了成功。2021年，许多国家还将开展一些令人兴奋的国际探索新项目。

The U. S. space agency, NASA, is expecting its explorer, called Perseverance, to land on the Red Planet on February 18. The explorer is on a mission to search for signs of life and collect rock and soil samples. Perseverance is NASA's fifth Mars explorer. It is carrying a small experimental helicopter, called Ingenuity. The device would be the first to test the abilities of such a craft on another planet. 

美国国家航空航天局预计其毅力号探测器将于2月18日登陆火星。探测器的任务是寻找生命迹象，采集岩石和土壤样本。毅力号是美国国家航空航天局的第五个火星探测器。它搭载了一架名为机智号的小型实验直升机，机智号将成为首个在另一个星球上测试飞行能力的飞行器。

China's Tianwen-1 spacecraft launched last July on a mission to search Mars for signs of water. It is also expected to reach Mars in February. The spacecraft will attempt to land at Utopia Planitia, a large flat area in the northern half of the planet. Once there, Tianwen-1 will deploy a rover for exploration. 

中国天问一号宇宙飞船于去年7月发射升空，其任务是在火星上寻找水的迹象。预计该飞船也将在2月抵达火星。天问一号将在位于火星北半球大片平坦地区的乌托邦平原着陆。着陆后，天问一号将部署火星车开展探测工作。

The United Arab Emirates launched its Hope Probe in July 2020. The explorer is also to reach the Red Planet in February. The country describes Hope as the first probe to provide a complete picture of the Martian atmosphere and its layers. The mission will study climate and weather activity on the lower atmosphere of Mars. Hope will also observe and study hydrogen and oxygen in the Martian upper atmosphere. 

阿拉伯联合酋长国于2020年7月发射希望号探测器，该探测器也将在2月抵达火星。阿联酋称希望号将是首个提供火星大气层及其各层完整图片的探测器。这次任务将研究火星低层大气的气候和天气活动。希望号还将观测和研究火星高层大气中的氢和氧。

Boeing is expected to carry out another unpiloted flight test of its Starliner spacecraft. The company was chosen by NASA-along with America's Spacex-for its Commercial Crew Program. The program uses private spacecraft to transport U. S. astronauts to the International Space Station. 

波音公司计划对其星际飞船进行第二次无人驾驶飞行试验。该公司被美国国家航空航天局和美国太空探索技术公司选为商业载人项目的执行者。该项目使用私营航天器将美国宇航员送到国际空间站。

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