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天问落火一周年,且看火星环绕器述职报告

  • 2026-11-04 15:16:51
天问落火一周年,且看火星环绕器述职报告

一年前的今天

北京飞行控制中心四楼的大厅里灯火通明

忙碌而有序的人们面容严肃

却隐含着兴奋和期待

彼时,3.3亿公里外的火星上空

天问一号火星环绕器

正在采用首创的“俯冲-拉升”方式

实施两器分离任务

关注
重播 分享 赞

八院抓总研制的火星环绕器在3个多小时内连续自主完成4次姿态机动、2次轨道控制和1次分离,上演了一曲惊心动魄的“太空华尔兹”,为着陆巡视器进入火星大气建立舒适的条件。着陆巡视器在经历了“恐怖9分钟”后,成功着陆在火星乌托邦平原南部预选着陆区,中国飞行器首次踏足这颗火红色的星球。

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从2020年7月23日天问一号发射成功到如今成功着陆火星一周年,火星环绕器和着陆巡视器(祝融号火星车)一直并肩作战、紧密配合,共同呈现了此次波澜壮阔的探火之旅,共同实现了中国航天从地月系向行星际的跨越!在光荣成绩背后,斗转星移之间,也发生了很多鲜为人知的点滴故事。

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万里奔赴,使命必达

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自发射入轨,火星环绕器携带着陆巡视器历时202天、跨越4.7亿公里抵达火星。一路上过五关斩六将,完成了地月回拍、深空自拍、近火成像,实时更新“物流”,完成4次中途修正、1次深空机动,全程闭环运输,“供电、温控、自检”确保产品安全,最终于2021年2月10日抵达火星,准确进入“捕获走廊”。

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持重并肩,护你周全

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火星制动捕获机会唯一、风险极高,姿态调整、状态设置、推进沉底,火星环绕器一系列操作后精准刹车、“漂移入库”,携带着陆巡视器成功进入环火轨道。入轨后,利用器上的高分辨率相机对预选着陆区进行了为期3个月的成像详查,探测分析火星地形地貌、沙尘天气,为着陆火星做充分准备。

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可靠分离,稳妥投放

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火星环绕器首次采用高难度的俯冲拉升投放方式,完成器器分离,“降轨、分离、升轨”一气呵成,既保证了着陆巡视器的进入精度降低,同时又有效降低着陆巡视器的离轨难度和系统压力,助力首次火星着陆圆满成功。

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遥寄佳音,倾力呈现

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在火星的所见、所闻都是新奇的。祝融号火星车在火表探测、天问一号环绕器在中继轨道运行,通过器间中继、器地高速数传,已累计回传940GB两器科学探测数据,为我国行星科学的原创产出奠定了坚实基础。

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悬丝诊脉,小心呵护

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火星表面崎岖不平,北半球冬季的时候,还会发生席卷全球的沙尘暴,这些都给祝融号的安全运行带来极大的隐患。作为祝融号的亲密战友,火星环绕器始终保持高度的警惕,不停地侦查火星表面环境,及时传递祝融号重要遥测信息,为未知问题的预防和已知问题的排查尽心尽力。

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辛勤耕耘,大显身手

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祝融号火星车在火表工作期间,火星环绕器除了充当地火之间的中继卫星,也担负着全球遥感探测的重要使命。搭载的7种有效载荷已经全部开机,每个火星日绕火三圈,一刻不停的对火星表面及其次表层开展全方位、立体式科学探测。其中,高分辨率相机分辨率最高可达0.5米,中分相机有望在未来获取中国人的第一幅火星全球图像。

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面向未来,国家已经部署了行星探测重大工程后续小行星探测、火星取样返回、木星系探测等任务,“天问”系列后继有“人”!八院深空探测团队正以昂扬斗志响应国家号召,将一如既往地致力于国家重大工程任务的论证实施,以无悔青春之志践行踔厉奋发之誓,以新的优异成绩迎接党的二十大胜利召开,为我国建设航天强国、实现中华民族伟大复兴的中国梦添砖加瓦!

视频来源于CCTV纪录

作者:牛俊坡  徐   亮

编辑:马永香  

责编:岳付升

监制:刘   茜  沈   睿

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  1. CONNECT:[ UseTime:0.000573s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
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  6. SELECT * FROM `set` [ RunTime:0.000275s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000649s ]
  8. SELECT * FROM `article` WHERE `id` = 575324 LIMIT 1 [ RunTime:0.000388s ]
  9. UPDATE `article` SET `lasttime` = 1793957627 WHERE `id` = 575324 [ RunTime:0.001378s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000315s ]
  11. SELECT * FROM `article` WHERE `id` < 575324 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000465s ]
  12. SELECT * FROM `article` WHERE `id` > 575324 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000375s ]
  13. SELECT * FROM `article` WHERE `id` < 575324 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000894s ]
  14. SELECT * FROM `article` WHERE `id` < 575324 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000677s ]
  15. SELECT * FROM `article` WHERE `id` < 575324 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000886s ]
0.090904s