Respond to tapping space Yang Liwei: structure or changes in air pressure | | | structure _ Yang Liwei news

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Ningbo, China Youth online, December 1 (reporter for the China Youth Daily ? Green online Akimasa Chen Fengli) this morning, participating in Ningbo city, Zhejiang Province young pioneer theme educational activities, Vice Director of China manned space engineering office, responded for the first time encountered in space Yang Liwei knocks, he says may be structural or pressure changes sounds.

Children participated in the activities to ask Yang questions tapping what he replied: "we are in flight, in space, the spacecraft encountered voices, as an astronaut, came back to and communicate with researchers to complete a task, help for the following tasks, all are like that. "Yang said.

Yang said: "I understand the situation, every flight would have had sound, possibly because our ships there will be pressure on the ground. Space is a vacuum of pressure-free environment, it is possible to structure there will be some changes, will produce some sounds. ”

"A lot of our items before the God would be sealed at atmospheric pressure inside, as flew in, there may be pressure relief going out, so we need to identify, I think this is a normal thing. Such as whether its structure changes, or changes in air pressure will be to produce a sound, very normal. "Yang said.

"Is not a knock on the door, is in the flying process will have different voices. "Yang Liwei children answered with a smile.

It is understood that the pioneer theme educational activities in Ningbo city, Zhejiang Province, was the third session of the China Youth Volunteer Service project competition and 2016 volunteering seminar series events.

>: Tang Zheng Xueyou

Article keywords:
Yang Liwei sound structure

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杨利伟回应太空敲击声:物品结构或气压变化所致|杨利伟|变化|结构_新闻资讯
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　　中青在线宁波12月1日电（中国青年报·中青在线记者 章 正 陈凤莉） 今天上午，在参加浙江省宁波市少先队员主题教育活动时，中国载人航天工程办公室副主任杨利伟首次回应太空遇到的敲击声，他称可能是物品结构或者气压发生变化时发出的声音。

　　参加活动的孩子现场向杨利伟提问敲击声是什么，他回答称：“我们在飞行中，遇到飞船在太空中的声音，作为航天员来讲，完成任务回来之后要和科研人员进行交流，为后续的任务提供帮助，历次都是这样。”杨利伟说。

　　杨利伟表示：“我了解的情况，在每次飞行的时候都会或多或少都有声音，可能是因为我们的飞船在地面时会有压力。太空是真空无压力的环境，有可能结构会有一些变化产生变化，会产生一些声音。”

　　“我们的很多物品在上天前都是有大气压封到里面，随着在太空中飞行，可能会泄压也会有一些声音发出，这样的话需要我们去辨认，我想这些都是很正常的事情。比如无论是它的结构发生变化，还是气压发生变化都会产生声音，非常正常。”杨利伟说。

　　“也不是什么敲门声，就是在飞行过程中会有不同声音。”杨利伟笑着给孩子们回答。

　　据了解，浙江省宁波市少先队员主题教育活动，是第三届中国青年志愿服务项目大赛暨2016年志愿服务交流会系列活动之一。

>责任编辑：郑学友

文章关键词：
杨利伟 变化 结构 声音

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