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64亿公里的等待 人类探测器首次登陆彗星

时间:2014-11-14 00:22来源:互联网 提供网友:mapleleaf   字体: [ ]
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   A European robot probe has made the first, historic landing on a comet, but its status is uncertain after harpoons1 failed to anchor it to the surface.

  欧洲一架机器人探测器在人来历史上首次成功在彗星上着陆,但是由于着陆器上的鱼叉头系统出现故障,所以其目前的状态并未确定。
  The "first" landing on Comet 67P/Churyumov-Gerasimenko was confirmed at about 1605 GMT.
  “菲莱”着陆的彗星为67P/丘留莫夫-格拉西缅科彗星,着陆的时间为格林威治时间16点05分。
  There were cheers and hugs at the European Space Agency (Esa) mission control in Darmstadt, Germany, after the signal came through.
  “菲莱”成功着陆后,位于德国达姆施塔特市的欧洲航天局控制中心充满了欢呼声,工作人员们高兴得相互拥抱。
  Director general Jean-Jacques Dordain described it as "a great great day, not only for Esa, but... I think for the world". He described the landing as "a big step for human civilisation2".
  欧洲航天局的局长让?雅克?多尔丹称这一天是“非常伟大的一天,不只是对欧洲航天局来说,更是整个世界的一个大日子”。他称这次着陆是“人类文明史上的一大步”。
  Further analysis is needed to fully3 understand the status of the probe, known as Philae.
  有关“菲莱”着陆器目前的情况还需要进一步的全面分析。
  However, Lander project manager Stephan Ulamec told the BBC that at last radio contact with the probe, he believed it to be in a stable configuration4.
  但是“菲莱”着陆器主管史蒂芬·乌拉美克表示,通过最近一次与“菲莱”的无线电联络,他相信“菲莱”目前状况稳定。
  "This is the indication right now," he explained. "We really have to wait until tomorrow morning and then we will know a lot more."
  “这是目前的情况”,他解释道,“我们必须等到明天早上才能获取更多的信息。”
  Early data started to come back from instruments, and one team could see that the lander had sunk about 4cm (1.5 inches) into the surface, suggesting a relatively5 soft top layer.
  “菲莱”已经传回了之前的数据,工作人员能够发现着陆器在表面下沉了4厘米,这说明彗星地面的表层相对较柔软。
  But shortly after, engineers could see that the harpoons, designed to fasten the spacecraft to the 4km-wide (2.5 miles) ball of ice and dust, had not fired as planned.
  但随后,工程师们发现之前设计的用来在彗星表面固定着陆器的鱼叉头系统并未按计划射出。
  In a later media briefing, Dr Ulamec said: "What we know is we touched down, we landed at the comet at the time when you all saw us cheering and when it was announced.
  在之后的媒体通气会上,乌拉美克博士说:“我们所知的是“菲莱”已经着陆了,着陆后我们就向大家进行了宣布,大家也看到了我们的欢呼。”
  "We had a very clear signal there; we received data from the landing - housekeeping and science data. That's the good news."
  “现在我们这里有非常清晰的信号,能收到来自登陆管家的数据信息,这是个好消息。”
  But then Dr Ulamec delivered the "bad news". He said telemetry from the craft suggested it might have drifted off the surface after landing and started to turn. This subsequently came to an end, which the German Space Agency official interpreted as a possible "second landing" on Comet 67P.
  但乌拉美克博士同时也传达了一个“坏消息”。他说通过遥感勘测技术可得知,“菲莱”在着陆后在表面漂浮并开始转动。但紧接着这种状况就结束了,德国航天局的工作人员将这称为在67P上的“二次着陆”。
  In fact, even later data would indicate that the Philae robot may have bounced twice, taking a full two hours to come to a rest.
  事实上,之后的数据将会显示“菲莱”可能弹跳了两次,并用了两个小时才稳定下来。
  This bouncing was always a possibility, but had been made more likely by the failure of the harpoons to deploy6, and the failure of a thruster intended to push the robot into the surface.
  这种弹跳或许只是一种可能,但也意味用来将“菲莱”在表面固定的鱼叉头和推进器可能都出现了故障。
  Pictures from the surface have been retrieved7 at Earth and are being processed in preparation for release.
  彗星表面的图片已经传至地球,现正在处理中,之后会发布出来。
  Scientists were initially8 elated following the confirmation9 of a landing.
  在得知“菲莱”着陆后,很多科学家都非常兴奋。
  But the news about the unanchored state of Philae has cast a shadow over the celebrations.
  但是目前“菲莱”无法固定的消息也给大家心里蒙上一层阴影。
  The mission team must decide if the harpoons can now be commanded to fire without unsteadying the robot still further.
  工作人员必须决定在“菲莱”不稳定的状态下是否能够下令发射鱼叉头。
  What is clear is that Philae touched down very close to the targeted zone on the head of the rubber-duck-shaped comet.
  但可以确定的是“菲莱”着陆的位置离预订区域非常近,位于这颗鸭子形状的彗星的头部。
  If Philae remains10 stable and can be properly secured, it will engage in several months of science experiments on 67P.
  如果“菲莱”保持稳定状态并能够确保安全,它将负责完成在67P上长达几个月的科学实验。
  It will take pictures of the cometscape and analyse the surface chemical composition.
  它将拍摄彗星地形的图片,并分析彗星地表物质的成分。
  Scientists are hoping 67P's surface materials will hold fresh insights into the origins of our Solar System more than 4.5 billion years ago.
  科学家们希望67P的地表物质能够为人类探索有450亿年历史的太阳系的起源提供新思路。

点击收听单词发音收听单词发音  

1 harpoons 251647187a14e257f7d35de0729d6da4     
n.鱼镖,鱼叉( harpoon的名词复数 )v.鱼镖,鱼叉( harpoon的第三人称单数 )
参考例句:
  • Greenpeace hopes to position its boats between the harpoons and the whales. 绿色和平希望他们的船能开到港口与鲸鱼群之间的地方。 来自互联网
  • NIV Can you fill his hide with harpoons or his head with fishing spears? 7[和合]你能用倒钩枪扎满它的皮,能用鱼叉叉满它的头吗? 来自互联网
2 civilisation civilisation     
n.文明,文化,开化,教化
参考例句:
  • Energy and ideas are the twin bases of our civilisation.能源和思想是我们文明的两大基石。
  • This opera is one of the cultural totems of Western civilisation.这部歌剧是西方文明的文化标志物之一。
3 fully Gfuzd     
adv.完全地,全部地,彻底地;充分地
参考例句:
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
4 configuration nYpyb     
n.结构,布局,形态,(计算机)配置
参考例句:
  • Geographers study the configuration of the mountains.地理学家研究山脉的地形轮廓。
  • Prices range from $119 to $199,depending on the particular configuration.价格因具体配置而异,从119美元至199美元不等。
5 relatively bkqzS3     
adv.比较...地,相对地
参考例句:
  • The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
  • The operation was relatively painless.手术相对来说不痛。
6 deploy Yw8x7     
v.(军)散开成战斗队形,布置,展开
参考例句:
  • The infantry began to deploy at dawn.步兵黎明时开始进入战斗位置。
  • The president said he had no intention of deploying ground troops.总统称并不打算部署地面部队。
7 retrieved 1f81ff822b0877397035890c32e35843     
v.取回( retrieve的过去式和过去分词 );恢复;寻回;检索(储存的信息)
参考例句:
  • Yesterday I retrieved the bag I left in the train. 昨天我取回了遗留在火车上的包。 来自《简明英汉词典》
  • He reached over and retrieved his jacket from the back seat. 他伸手从后座上取回了自己的夹克。 来自辞典例句
8 initially 273xZ     
adv.最初,开始
参考例句:
  • The ban was initially opposed by the US.这一禁令首先遭到美国的反对。
  • Feathers initially developed from insect scales.羽毛最初由昆虫的翅瓣演化而来。
9 confirmation ZYMya     
n.证实,确认,批准
参考例句:
  • We are waiting for confirmation of the news.我们正在等待证实那个消息。
  • We need confirmation in writing before we can send your order out.给你们发送订购的货物之前,我们需要书面确认。
10 remains 1kMzTy     
n.剩余物,残留物;遗体,遗迹
参考例句:
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
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