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  今天上午9时,在酒泉卫星发射中心,神舟二十号载人飞行任务新闻发布会召开,通报此次任务有关情况。

  神舟二十号载人飞船瞄准北京时间4月24日17时17分发射,飞行乘组由陈冬、陈中瑞、王杰组成,陈冬担任指令长。

  本次任务有哪些重磅看点?

  一文速览↓

  01

  神二十任务,重磅官宣!

  新“出差三人组”亮相!

  其中2人“首飞”太空

  神舟二十号飞行乘组由陈冬、陈中瑞、王杰组成,陈冬担任指令长。航天员陈冬执行过神舟十一号、神舟十四号载人飞行任务,时隔两年再次担任指令长。陈中瑞和王杰均来自于我国第三批航天员,是首次执行飞行任务。其中,陈中瑞入选前是空军飞行员;王杰入选前是航天科技集团有限公司空间技术研究院的工程师。

  目前,任务各项准备工作正在稳步推进,执行此次发射任务的长征二号F遥二十运载火箭即将加注推进剂,神舟二十号航天员乘组将于中国航天日当天出征太空。(3名航天员简历>>)

  在空间站驻留约6个月

  神二十任务清单发布

  此次任务是空间站应用与发展阶段第5次载人飞行任务,也是载人航天工程第35次飞行任务。任务主要目的是:

  与神舟十九号乘组完成在轨轮换,在空间站驻留约6个月;

  开展空间科学与应用实(试)验,实施航天员出舱活动及货物进出舱;

  进行空间碎片防护装置安装、舱外载荷和舱外设备安装与回收等任务;

  开展科普教育和公益活动,以及空间搭载试验,持续发挥空间站综合应用效益。

  涡虫首上太空

  神二十乘组将开展3项生命科学实验

  本次任务将以斑马鱼、虫和链霉菌作为研究对象,开展3项生命科学实验

  目前,正在按计划有序开展空间科学实验,各项工作进展顺利,截至目前,已在轨实施了200余项科学与应用项目,并于去年底首次公开发布了《中国空间站科学研究与应用进展报告》,获取的科学成果后续将会定期进行发布。

  神舟二十号乘组在轨期间,除了上述3项生物实验外,还将在空间生命科学、微重力物理科学、空间新技术等领域,持续开展59项空间科学实验与技术试验,有望在血管化脑类器官芯片培养、软物质非平衡动力学、高温超导材料空间制备研究等方面取得重要突破。(详情>>)

  神二十航天员乘组

  计划于10月下旬返回

  按计划,神舟二十号载人飞船入轨后,将采用自主快速交会对接模式,约6.5小时后对接于天和核心舱径向端口,形成三船三舱组合体。

  在轨驻留期间,神舟二十号航天员乘组将迎来天舟九号货运飞船和神舟二十一号载人飞船的来访,计划于今年10月下旬返回东风着陆场。

  神舟十九号航天员乘组在与神舟二十号航天员乘组完成在轨轮换后,计划于本月29日返回东风着陆场。

  仪式感×3

  神二十发射日很有意义!

  此次任务中,选择4月24日为发射窗口,空间站的调相控制次数最少且均为升轨控制,同时也满足载人飞船在轨能源约束等条件,可以说神舟二十号载人飞船4月24日发射是在满足各类约束条件的基础上方案最优的发射窗口。

  值得关注的是,窗口时间恰逢第十个“中国航天日”,给这次任务增添了新的承载和特殊意义。

  1970年4月24日,我国第一颗人造地球卫星“东方红一号”在这里成功发射,开启了中国人探索太空的伟大征程。

  55年后,在喜庆第十个“中国航天日”之际,神舟二十号载人飞船将从这里奔赴“天宫”,跑好中国人探索浩瀚宇宙的“接力赛”。(详情>>)

  02

  新“出差三人组”亮相

  亮相!神二十乘组与中外媒体记者集体见面

  4月23日,神舟二十号乘组3名航天员陈冬、陈中瑞、王杰在酒泉卫星发射中心问天阁与中外媒体记者集体见面。

  “一回生二回熟,但我是第三次上天了!”

  航天员陈冬即将开启第三次飞天之旅,他表示,每一次太空之旅都独一无二,期待通过飞行收获更多经验,收获更多突破。“都说一回生,二回熟,我这是第三次。我们会带着祖国和人民的祝福,带着坚决完成任务的决心,带着对再次进入太空的渴望,带着队友和地面团队的支持,再次拜访太空之家,向着浩瀚宇宙前进!”(详情>>)

  陈冬介绍,神二十航天员乘组经过长时间的组队训练,彼此默契十足。“团队既展示出飞行员精准的操控能力和敏捷的思维,又展示出工程师严谨的态度和扎实的理论功底。我们三人勤奋、坚韧、细致、团结,合,三头六臂,群策群力;分,各司其职,独当一面。我们对圆满完成任务充满必胜的信心!”(详情>>)

  “我想飞得再高一些,冲出大气层!”

  神二十航天员陈中瑞即将首飞太空。陈中瑞曾是一名战斗机飞行员,他说自己守护祖国蓝天时,便怀揣着太空梦,“我想着能飞得高一些、再高一些,冲出大气层,去领略浩瀚的太空。”如今,即将实现飞天梦想,他说表示自己幸运又幸福:“生逢新时代,我是幸运的;能够将个人梦和中国梦、航天梦紧密相连,我也是幸福的。”期待,加油!(详情>>)

  “每个人有梦可追、追则必成!”

  神二十航天员王杰,是首个执行飞天任务的内蒙古籍航天员。他说:“2003年,杨利伟搭乘神舟五号飞船在我的家乡内蒙古顺利着陆。自此,我对航天产生了憧憬。上大学时我选择了航天专业,毕业后成为一名航天科技工作者,后来又幸运地成为航天员。为了能够早日飞天圆梦,训练的每一天我都不敢放松,考试的每一分都不敢放过。如今,我终于即将迎来自己的首飞。感谢新时代,让我们每个人有梦可追、追则必成!(详情>>)

  03

  中国载人航天“进度条”刷新中

  期待看到他们的身影!

  第四批航天员正有序开展训练

  第四批航天员自2024年8月入队以来,按计划开展了航天基础理论知识学习和心理、航天环境适应性等多项训练和部分专项训练。

  根据训练安排及前期经验,不同类型航天员从入选至执行飞行任务的时间有所不同。目前正在按照既定计划有序组织开展第四批航天员的训练,在取得飞行资质后,他们将被纳入飞行乘组的候选范围,相信在不久的将来会在飞行乘组中陆续看到他们的身影。(详情>>)

  港澳航天员

  预计最早2026年“首飞”

  港澳航天员入队后很快适应了工作和生活环境,迅速融入航天员队伍,训练勤奋刻苦,各项工作进展顺利,目前正在开展航天专业技术相关学习和训练。

  港澳航天员作为载荷专家,预计最早将在2026年首次执行飞行任务。

  望宇登月服、探索载人月球车等

  正开展初样研制试验工作

  目前,载人登月任务各项研制工作总体进展顺利,长征十号运载火箭、梦舟载人飞船、揽月月面着陆器、望宇登月服、探索载人月球车等正在按计划开展初样研制试验工作,月球遥感卫星已完成立项和竞争择优,发射场、测控通信、着陆场等地面系统研制建设工作正按计划有序推进。

  随着初样研制工作的深入,各系统主要大型试验和跨系统试验正在稳步推进。(详情>>)

  中方为巴基斯坦

  选拔训练2名航天员

  今年2月底中巴双方签署合作协议以后,目前正在开展巴基斯坦航天员的选拔工作,与中国航天员选拔一样,这项工作分为初选、复选、定选三个阶段。其中,初选工作在巴基斯坦实施,复选和定选工作在中国实施,最终将选拔出2名巴基斯坦航天员来华参加训练。

  根据中国空间站的飞行任务规划与合作实际进展,1名巴基斯坦航天员将以载荷专家的身份参加1次联合飞行,在轨期间除了完成乘组的日常工作外,还将承担巴方科学实验的操作工作。

  我国已实施20次航天员出舱活动

  达到国际先进水平

  截至目前,我国已顺利实施了20次航天员出舱活动,任务可以分成4类:

  验证相关技术,包括舱外航天服、气闸舱、机械臂辅助操作和天地协同支持等出舱活动关键技术。

  开展舱外组装,完成了舱外扩展泵组、舱外载荷暴露平台支撑杆、舱外全景相机支架等安装,以及跨舱线缆接通等工作,实现了空间站完整的设计功能。

  实施舱外维修,针对空间站天和核心舱太阳翼电缆因空间碎片撞击导致的损伤,通过航天员2次出舱活动,完成了我国首次舱外维修,消除了撞击对太阳翼的影响,恢复了发电能力。

  进行主动防护,为确保空间站的长期安全可靠运行,针对日趋严重的碎片撞击问题,我们深入开展举一反三,从被动维修到主动防护,多次出舱进行巡检,实施空间碎片防护装置安装,进一步提升了我国空间站的空间碎片应对能力。

  我国出舱活动技术日益成熟,能力和水平不断提高,可以说目前已经达到了国际先进水平。(详情>>)

  中新社圣保罗4月23日电世界银行23日发布最新报告,将巴西2025年国内生产总值(GDP)增长预期由年初的2.2%下调至1.8%。

  报告称,全球经济不确定性加剧,拉丁美洲和加勒比地区2025年整体增长预期亦由2.5%降至2.1%,2026年降至2.4%,将成为全球增长最慢的地区。低投资、高负债和不断变化的外部环境是该地区发展的主要障碍。

  报告指出,主要发达经济体延迟降息、全球贸易环境恶化及对外援助减少等因素,是导致下调预期的关键原因。其中,美国政府推行的加征关税政策对区域经济构成显著压力。

  相较之下,阿根廷因获得国际货币基金组织(IMF)提供约200亿美元融资,其2025年增长预期由5%上调至5.5%。墨西哥则遭遇下调,预计无增长。

  报告认为,当前国际环境变化剧烈,各国需调整策略,推动实质改革。值得关注的是,区域政府债务水平升高,2023年已达GDP的63.3%。

  路透社报道称,IMF亦下调巴西2025年及2026年增长预期至2%。虽然农业仍将支撑经济开局,但高通胀与利率水平将拖慢后续增长步伐。专家建议巴西与区域国家提升生产效率,利用技术创新与外资机遇,应对挑战。(完) 新闻结尾 重生之娱乐宝鉴|带你体验不一样的视觉盛宴,尽享精彩内容!的相关文章
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