In deep space exploration mission, the navigation scheme of the cruise phase is the key technology to research.

星际巡航段导航方案设计是深空探测任务中的重要组成部分。

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In the deep space exploration mission, on-board computers (OBC) for satellite control systems have more new requirements, such as intelligence, adaptability and self-determination capability.

深空探测任务对星载控制计算机的智能性、环境适应性和自主性提出新的需求。

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China named its first Mars exploration mission Tianwen 1 on April 24, 2020, China's fifth Space Day.

2020年4月24日是中国第五个“航天日”，中国将其首次火星探测任务命名为“天问一号”。

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Many sceptics will undoubtedly question why any country would choose to invest in future space exploration, including a manned mission to Mars, while there are so many unsolved problems on our planet, from HIV to malaria to poverty.

BBC: Viewpoint: Should we send humans to Mars?

The first challenge is to clearly voice a renewed commitment to the broader mission and goals of U.S. cooperative space exploration, not just deploy technical capabilities and, somewhere along the way, rekindle taxpayer support.

FORBES: NASA, Got Space Exploration? Get Goals, Get Funding and Get Uhura.

The lives of these people are very precious to us, and the board considered that very serious matter that these brave people thought that what they were doing was important, that it was significant, that it was part of human space exploration, that the things that were going to be learned from this mission were worth the risk that they were taking.

CNN: Board chairman: Shuttle design safe