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凌晨2声巨响村民疑地震 军方:2块卫星整流罩坠落
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Topic: 凌晨2声巨响村民疑地震 军方:2块卫星整流罩坠落 (Read 105 times)
shiwe
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凌晨2声巨响村民疑地震 军方:2块卫星整流罩坠落
November 16, 2017, 05:55:38 AM
#1
(原标题:凌晨两声巨响,两块卫星整流罩坠落恩施芭蕉乡)
凌晨两声巨响,两块卫星整流罩坠落恩施芭蕉乡(来源:~)
楚天都市报11月15日讯 15日凌晨2点46分,恩施市芭蕉乡的上空忽然发出两声巨响,同时地面伴有强烈的震动感。当地村民以为是地震或放炮,后经恩施军分区及警方确认,是两块风云气象卫星的整流罩掉落在芭蕉乡。
当地人介绍,凌晨2点46分09秒出现类似大货车超车的呼啸声,然后越来越大,28秒声音变小,开始出现气流声,31秒—32秒出现两声巨响,楼道的灯都震亮了。许多当地人深夜惊醒,在朋友圈询问是不是撞车或放炮,不仅仅是恩施,微博上陕西商洛网友也表示听到响声和震动。还有网友纷纷猜测是不是地震了?但这一猜测很快被否定,因为中国地震台网并没有恩施附近地震的信息。
经恩施市公安局和恩施市军分区确认:凌晨2点46分左右,恩施市境内发出巨响,就是我国第二代极轨气象卫星“风云三号”D星脱落的整流罩,掉落的地点是恩施市芭蕉乡朱砂溪村和楠木园村。在前段时间,恩施市军分区就收到了,做好整流罩坠落恩施准备的相关通知。今天凌晨,整流罩掉落后,人民武装部第一时间接到了芭蕉乡武装部的通知,赶赴现场。恩施市公安局民警收到消息后也赶赴芭蕉乡楠木园村现场。
据介绍,整流罩用于保护卫星及其他有效载荷,以防止火箭或卫星受气动力、气动加热及声振等有害环境的影响。它是运载火箭的重要组成部分。整流罩的外形尺寸是根据火箭的气动特性要求和装载航天器所需的空间尺寸设计的。火箭升空前,整流罩在地面保护航天器,保证航天器对温度、湿度、洁净度的要求。火箭升空穿过大气层时,整流罩可以使航天器免受气动力和气动热影响以致损伤。运载火箭飞出大气层后,整流罩将沿箭体纵向分成两半并被抛开,完成它的使命,通常坠落在人烟稀少的地方。
芭蕉乡楠木园村共发现两块整流罩,第一块出现在该村九组,第二块出现在九组十组之间。其实整流罩坠落恩施境内已经不是第一次,几乎每年都会有。
● 2016年9月,火箭整流罩深夜掉落恩施,将无人民宅砸平。
● 2014年8月,火箭整流罩残骸降落在恩施市沐抚办事处前山村。
● 2013年10月29日,成功完成“遥感卫星十八号”发射任务的“长征二号丙”运载火箭的整流罩,坠落于来凤县。
● 2013年7月,一块银白色的船形物体,伴随着巨响坠落在恩施咸丰县清坪镇排丰坝村三组大堡上。后经证实是太原卫星发射中心发射的长征4号丙运载火箭整流罩。
● 2010年8月10日,“遥感卫星十号”火箭整流罩坠落在鹤峰县境内。
● 2008年5月27日,我国首颗新一代极轨气象卫星“风云三号”的整流罩残骸,坠落在利川市毛坝乡的丛林里。
原来,恩施州与重庆交界的这一带地区山大人稀,是太原卫星发射中心选定的火箭整流罩残骸理论落区。不过,火箭和卫星设计方在发射之前就已经通过实地勘查,精心选择残骸落点区域,合理设计火箭和卫星弹道以及残骸脱落时间,保证降落的区域尽可能落入深山和大海这种无人区,以尽可能地降低群众的生命财产损失。
batoman
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Merit: 10
Re: 凌晨2声巨响村民疑地震 军方:2块卫星整流罩坠落
November 16, 2017, 07:13:16 PM
#2
看不到人员伤亡的字眼,我很欣慰。
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