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嫦娥四号即将迎来在月“第五天” 任务成果超出预期

来源: 南方日报网络版     时间: 2019-04-25 11:45:18
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   嫦娥四号即将迎来在月“第五天” 任务成果超出预期

  

  

  参考消息网4月25日报道 外媒称,随着中国的嫦娥四号着陆器和玉兔二号月球车即将迎来它们在月球上的“第五天”,它们在探索月球背面的任务中捕捉到了新图像。

  据英国《每日邮报》网站4月23日报道,在月球上,一个昼夜的时间接近于地球上的30天,白天和黑夜的持续时间分别相当于地球上的两周。

  本月发布的由玉兔二号拍摄的新图像为此次任务提供了更多线索,第一组照片是1月份嫦娥四号着陆器和玉兔二号月球车抵达冯·卡门撞击坑后公布的。

  着陆器和月球车的任务目标(这是首次针对月球背面进行的探索)包括分析月球正面与任务目标区域之间的化学差异。

  报道称,此前尚未有过类似的探索月球背面的任务。

  据美国太空新闻网报道,嫦娥四号的任务已经大大超出了预期。

  按照最初的设计,该航天器只能持续大约3个月球日。

  着陆器和月球车目前都处于休眠状态,相当于在月球上的夜间进行休息。但在4月28日,当月球背面再次迎来为期两周的白昼时,鉴于它们依然完好无损,二者都将进入第五个月球日。

  报道称,由于白天月球上的温度会升至约200摄氏度,月球车还被要求间歇进行“午睡”——即短暂进入休眠期——直到它能够再次移动为止。

  另据英国《明星日报》网站4月23日报道,中国将于24日庆祝其第四个航天日。

  报道称,今年早些时候,嫦娥四号在月球背面着陆,使中国成为历史上第一个登陆月球背面并执行探索任务的国家。

  天文学作家科林·斯图尔特在英国《焦点》月刊杂志上撰文说:“最近的嫦娥探月任务还会带来另一个潜在优势。”

  他说:“自上世纪70年代以来,没有其他国家在月球上登陆过。拥有现成的登月技术可以让中国率先开发月球的自然资源。”

  斯图尔特说:“通过分析月球背面的构成,他们可以获得有价值的信息,知道月球上可能蕴藏着什么样的宝藏。人们已经认为月球含有大量氦-3,这是一种在地球上极为罕见的物质。谁知道他们还能在这些未勘探的岩石中找到什么?”

  他还说:“在太空探索方面,中国希望与美国和俄罗斯平起平坐。”

  斯图尔特表示:“现在,中国已经开始建造一个新的、更加雄心勃勃的空间站,试图和运营已久的国际空间站相媲美。”

  他说:“他们希望在2022年前建成这个空间站。他们在这个过程中学到的东西,加上从嫦娥四号中学到的东西,有可能使中国最早在2025年把第一批航天员送上月球。”

  刘强东案女方律所回应视频:监控与起诉书描述一致

  2017年12月7日,张某向新沂市畜牧兽医站反映情况后,经兽医站专业技术人员诊断,排除了烈性传染病。同年12月18日,村委会主任高某、治调主任刘某作出证明,高某监督张某清点损失。此前,张某和蔡某因耕地问题产生过矛盾,并已多年不来往。对于此次损失,双方无法达成一致意见。

  近日,中新经纬客户端走访了北京多家4S店,宝马、奔驰、雷克萨斯等门店销售人员均表示,目前,贷款购车仍需要缴纳金融服务费。具体缴纳的服务费额度为实际贷款额的2%及3%不等。

  这份起诉提出了六项指控,包括意图伤害和殴打;非法限制自由;性侵和殴击;意图伤害和殴击的连带责任;非法限制自由的连带责任;性侵和殴击的连带责任。

  如今,威胁村里长的部门从陆委会变成了“内政部”,形式也从发言威胁变成了视频恐吓,还拿《星球大战》玩梗。然而台当局阻挠两岸交流的意图仍招致不少台湾网友表达了反感。有人表示:民进党像一个邪教组织,只要“台独”,不管民众肚子。

  在这次演练之前,4月4日,黑龙江曾召开全省森林防火和安全生产视频调度会议,李海涛在会上直陈,“要深刻吸取四川木里森林火灾、江苏响水化工厂事故等各类灾害事故教训”。

  中国汽车工业咨询发展公司首席分析师贾新光表示:“目前汽车金融服务费的收费标准还是处于探讨阶段,没有统一的标准,政府、生产商、经销商等各方面的争论很激烈,存在政策打架的情况。”贾新光称,“在政策不清晰的阶段,现在消费者认为,好好说话没有用,闹才能达到目的,这是西安奔驰事件最严重的后果。”

  

  

The north side of hanbury street is now covered by the sprawling1 mass of the buildings that were formerly2 the truman brewery3. It was built on the site of number 29 hanbury street, in the back yard of which at around 6am on 8th September 1888, the body of Annie Chapman, jack4 the ripper's second victim was discovered. At 6am on 8th September 1888 John Davis, an elderly resident of 29 hanbury street came downstairs, walked along the narrow passageway and opened the back door. The sight that he saw shook him to the core. Moments later two workmen walking along hanbury street were suddenly startled when the door of number 29 burst open and a wild eyed old man stumbled into the street. "Men" he cried "come here." Nervously5 they followed him along the passageway and looking into the yard saw the mutilated body of annie chapman. Her dress had been pulled up around her knees, exposing her striped stockings. A deep cut had slashed6 across her throat; her intestines7 had been tugged8 out and laid across her shoulder. Missing from the body were the uterus and part of the bladder. The contents of her pocket were found lying in a neat pile near to the body. The brass9 rings that she had been wearing at the time of her death had evidently been torn from her fingers and were never discovered. and, just a few feet away from the body, there lay a folded and wet leather apron10. At 6am on 8th september 1888 john davis, an elderly resident of 29 hanbury street came downstairs, walked along the narrow passageway and opened the back door. The sight that he saw shook him to the core. moments later two workmen walking along hanbury street were suddenly startled when the door of number 29 burst open and a wild eyed old man stumbled into the street. "Men" he cried "come here." Nervously they followed him along the passageway and looking into the yard saw the mutilated body of annie chapman. Her dress had been pulled up around her knees, exposing her striped stockings. A deep cut had slashed across her throat; her intestines had been tugged out and laid across her shoulder. Missing from the body were the uterus and part of the bladder. The contents of her pocket were found lying in a neat pile near to the body. The brass rings that she had been wearing at the time of her death had evidently been torn from her fingers and were never discovered. And, just a few feet away from the body, there lay a folded and wet leather apron.


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