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(upbeat music)
激扬的音乐

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On February 1st, 2019,
2019年2月1日

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members of the Mars Exploration team
火星任务团队的成员

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gathered at NASA's JPL headquarters
在喷气推进实验室集合

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to say their final goodbye
做最终告别

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to one of space explorations greatest pioneers,
最伟大的太空探索先驱之一，

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the Opportunity Rover.
机遇号火星车

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I wanted to say,
我想说，

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with the completion of tonight's commanding,
随着今晚指令的完成，

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this concludes operations for MER-1 spacecraft ID 253.
编号为253的MER-1航天器的运行就要终止了

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And on behalf of the entire MER project,
我代表整个MER项目，

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we'd like to thank the DSN for over 15 and a half years
感谢DSN（深空通讯）超过15年半的努力，

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of outstanding support, from launch until tonight.
从发射一直到今晚，都提供了杰出的支持

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And this is station 14,
这里是14号站，

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on behalf of the network,
我代表通讯部门

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thank you for your comments,
感谢你们的好评

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and it's a sad day for all of us.
今天对我们大家来说都很难过

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(upbeat music)
音乐

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14, you are released.
14号，你们放假了

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And 14 copies.
14号收到

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MER Project, off the net.
MER任务，断开连接

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(all applaud)
大家鼓掌

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In an instant,
一瞬间，

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the lights went out on a record journey of almost 15 years.
创纪录的15年旅程结束了

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A far cry from the expected 90 days survival rate.
远超了预期的90天任务期限

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In it's wake,
它醒着的时候

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Opportunity has left a history-redefining legacy.
机遇号留下了重新改写历史的遗产

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We have been given the opportunity,
我们接收了机遇号

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by a team of engineers 15 years ago,
15年前的工程师团队

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who built two of the most extraordinary pieces
创造了两件最非凡的作品

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of space exploration hardware ever conceived and built.
构想和建造用于太空探索的硬件

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You only get to do something like this
你要能参与这样的任务

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for the first time once.
第一次也是最后一次

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Well sort of,
嗯，那个

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after all, the program did construct twin Rovers,
最后，这个项目制作了两辆火星车

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destined to land in two locations
在两个不同的目的地登陆

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on opposite sides of the planet.
在星球相对的两侧

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A redundancy designed to increase their chance of success.
旨在为它们的成功提供更多冗余

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Spirit was the first to break away from Earth's gravity,
勇气号是首先从地球发射的

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with Opportunity lighting up the Florida night sky
机遇号从佛罗里达升空

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a few weeks later,
在几周之后

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as it too rocketed towards
同样的目标都是

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our closest planetary neighbor, Mars.
我们最近的行星邻居，火星

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It wasn't an easy trip.
这不是什么简单的旅程

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Solar storms a few months into the journey
旅程开始几个月后的太阳风暴

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bombarded the Rovers with brutal radiation.
强烈的辐射袭击了火星车

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NASA's $850 million explorers
美国航天局耗资8.5亿美元的探测器

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weren't communicating with home.
没有和地球联系

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It was a nail biting moment,
那是一个紧张时刻，

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until Mission Control tried the old IT help desk stand-by,
任务控制中心试着让旧的IT服务台工作，

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turning your Rover off and back on again.
关闭火星车的电源，再接通

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It worked,
可以了

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first crisis averted.
第一次危机得以避免

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Now, to the really harrowing part of the mission,
现在，对于任务中真正令人提心吊胆的部分，

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landing on Mars.
登陆火星

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Hurtling at 16,000 miles per hour,
以每小时16000英里的速度飞过，

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about 10 times the speed of a bullet.
子弹速度的十倍

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The heat shield in front of the Rover vehicle
火星车前面的隔热罩

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got about as hot as the surface of the Sun.
变得和太阳表面一样热

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A supersonic parachute deployed.
超音速降落伞展开

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Atmospheric entry.
大气层进入

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It was time for everyone back on Earth
是让地球上的每个人

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to strap themselves in.
揪心的时刻

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It was going to be a bumpy ride.
这将是一个坎坷的旅程

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Current altitude 8000 feet.
目前海拔8000英尺

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The heat shield jettisoned.
隔热罩被抛离

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The airbags blew up in less than 1,000th of a second.
安全气囊在不到1000秒的时间内膨胀

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And then she bounced.
然后落地弹跳

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We're getting a bouncing signal.
我们收到一个弹跳信号

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(crowd cheers)
欢呼

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We are getting a bounce signal.
我们收到一个弹跳信号

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Confirmation that space craft is bouncing and alive on Mars.
确认飞船在火星上弹跳并正常工作

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And bounced,
弹跳起来，

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26 times.
26次

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We have a momentary loss of signal,
我们暂时失去信号，

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as the space craft is bouncing on the surface.
当飞船在地面上弹跳时

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It is difficult to maintain lock.
很难锁定

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We need to reacquire the signal,
我们需要重新获得信号，

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to have positive confirmation of a safe landing.
确认安全着陆

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But there's always a possibility something goes wrong,
但总有出错的可能，

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something you didn't account for,
一些你没有预计的事情，

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or just bad luck,
或者就是坏运气

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like really sharp pointy rocks
比如尖利的石头

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right where you want it to land
正好在要着陆的地方

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that might puncture the airbags.
可能会刺破安全气囊

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But these are the risks that you take
但这些是你要冒的风险

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when you're going someplace where you've never been,
当要去一个你从未去过的地方，

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that you know is dangerous and unknown.
你知道那里是危险和未知的

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We're seeing it on the LCP.
我们在LCP屏幕上看到了

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(Crowd cheers and Applauds)
众人欢呼鼓掌

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We have a very strong signal.
我们有非常强烈的信号

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(indistinct radio chatter)
（隐约的无线电声音）

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(cheering and applause)
欢呼鼓掌

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Finally the airbags deflated,
最后安全气囊放气了，

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and the solar arrays opened up,
太阳能电池板打开了，

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charging the power hungry little Rover.
为饥饿的火星车充电

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And she lifted her head,
她抬起头

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the panoramic camera,
全景摄像机，

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and sent her first beautiful, "We are here." postcard.
寄出她第一张漂亮的明信片“我们在这里”

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When Opportunity sent back that first picture
当机遇号发回第一张照片时

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from Eagle Crater,
从老鹰陨石坑，

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that night is burned in my brain,
那晚深深烙在我的脑子里，

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I will never forget it.
我永远不会忘记

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It was such a dramatic image of Mars.
这是一幅让人印象深刻的火星图像

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And it was so different
它是如此不同于

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than any images we've seen before.
我们以前所见到的照片

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It was now time
现在是时间

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for Opportunity to get to work.
机遇号开始工作

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It's mission,
它的任务

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the quest for the holy grail of planetary exploration,
寻找行星探索的圣杯，

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liquid water.
液态水

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It was initially planned as a 90 day expedition
最初计划是90天的探险

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that would stretch on for 15 years.
结果将持续15年

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The Mars Exploration Program had this long standing goal
火星探测计划有一个长期的目标

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of searching for signs of life on Mars.
在火星上寻找生命迹象

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But that's a really big question.
但这是个很大的问题

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That's a really hard question to answer.
这是个很难回答的问题

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So we started with something a little more simple.
所以我们从更简单的开始

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A little more fundamental.
更基本一点

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Was there ever water, liquid water on Mars?
火星上有水，液态水吗？

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Where and for how long?
在哪里和多久？

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And that was what Spirit an Opportunity
那就是勇气号和机遇号

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really went out to go look for.
要去那里找出的答案

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Golf cart sized Spirit and Opportunity
高尔夫球车大小的勇气号与机遇号

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were designed to be wandering geologists.
被设计成可移动的地质学家

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Instead of pics and hammers, though,
不是照相和锤子敲打，

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they have little particle blasters
它们有小型的分析仪

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that they use to take samples,
可以取一些样本

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and spectrometers and microscopes to examine them.
用光谱仪和显微镜来检查它们

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And wouldn't you know it,
你不知道，

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fortune was immediately on Opportunity's side.
好运气马上就来到机遇号这里

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Opportunity landed on a flat plane
机遇号降落在一个平台上

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known as Meridiani Planum,
子午线平原

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before gently bouncing
轻轻弹跳

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to the inside of a small meteorite impact crater.
到一个陨石撞击坑的内部

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Opportunity lands right from the get go
机遇号从一开始就降落到

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discovery of water formed rocks right, it came easy.
很容易就发现了水形成的岩石

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Here she found little,
她在这里发现小小的，

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so called, blueberries,
叫做蓝莓的

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that contained hematite and iron ore.
含有赤铁矿和铁矿

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Opportunity found evidence of water
机遇发现了水的证据

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just immediately below the surface,
就在地表下，

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in the shapes of the rocks
在岩石的形状中，
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there is cross-bedding in the rocks
岩石中有交错层理，

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and then also in the minerals.
矿物中也有交错层理

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This mineral hematite,
赤铁矿这种矿物，

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it's an iron mineral
是一种铁矿物

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that forms in areas with a lot of water.
在有大量水的地方形成的

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The next 56 Martian days, known as sols,
接下来的56天，被称为火星日，

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were spent probing and analyzing the area.
花了大量的时间调查和分析这个地区

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It looked as though Opportunity's landing site
好像是机遇号的着陆点

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was once the shoreline of a salty sea,
曾经是咸海的海岸线，

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but one that was too salty and acidic
但是太咸太酸了

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for life as we know it.
不适合我们所知的生命

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It was now time to leave the safe confines of Eagle Crater,
现在是时候离开老鹰陨石坑的安全区域了，

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and strike out into the vast Martian terrain.
进入广阔的火星地带

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Opportunity reached it's next destination,
机会到了下一个目的地，

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Endurance Crater,
持久陨石坑，

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after a one month long, one kilometer trek.
经过一个月，一公里的长途跋涉

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Peering across the rim of the 130 meter wide crater,
在130米宽的陨石坑边缘窥视，

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it spent the next month detailing the 20 foot precipice.
它花了一个月的时间来详细观测这座20英尺高的悬崖

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And then, in what could have been
然后，在一个可能导致

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a mission ending decision, gently descended.
任务结束的决定中，慢慢地下降

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The next six months were spent analyzing the crater,
接下来的六个月是用来分析陨石坑的，

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where Opportunity would once again
在那里机遇号将再次

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find evidence of ancient water.
找到古代水的证据

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But it was too salty to harbor life.
但它太咸了，生命无法生存

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On it's 315th day on Mars,
在火星上的第315天

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the Rover exited the crater
火星车离开了陨石坑

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on it's way towards it's discarded heat shield.
朝着废弃的隔热罩走去

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Allowing scientists and engineers back home
让地球上的科学家和工程师们

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to examine the effects of the Rover's entry
可以检查火星车登陆的时候

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through the Martian atmosphere,
穿过火星大气的影响

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as well as the nine foot wide impact crater.
以及检查9英尺宽的撞击坑

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It taught us how to do surface operations.
我们学会了如何开展地表的行动

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It taught us how to read the terrain and navigate
教我们如何识别地形和导航

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and plot a safe path from one point to another.
绘制从一个点到另一个点的安全路径

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We did not know how to do those,
以前我们不知道怎么做，

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it was all speculative.
只能去推测

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Lo and behold, a few days later,
真想不到，几天以后

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00:09:14,430 --> 00:09:18,240
Opportunity notched another first in space exploration,
机遇号在太空探索中又开创了第一次，

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as it saw the first meteorite on another planet.
它看到了另一颗行星上的第一颗陨石

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Having spent close to a year on Mars,
在火星上呆了将近一年，

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it was now time to head south,
现在是时候往南走了，

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towards Victoria Crater.
朝维多利亚火山口

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But not everything went according to plan.
但并不是所有事情都按计划进行

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On sol 446, Opportunity ended up getting it's wheels stuck,
在446火星日，机遇号的轮子卡住了，

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rendering it immobile.
它不能动了

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The culprit, an exceptionally tricky sand dune,
罪魁祸首，一个不好对付的沙丘，

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measuring a whopping 12 inches tall.
高达12英寸

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Team members back home would perform
在地球的团队进行了

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weeks worth of simulations,
数周时间的模拟

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in hopes of finding the right way
希望能找到正确的方法

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to escape the sandy clutches
摆脱沙丘的魔爪

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of what would come to be known as Purgatory Dune.
这片被称为炼狱沙丘的沙地

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Over a month later,
一个月以后

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it would finally free itself,
它终于摆脱了

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and continue on it's long voyage.
继续这漫长的旅程

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What we found is, the best way to get it out,
我们发现，把它弄出来的最好办法，

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is just to put it in reverse, and gun it.
就是把它倒向，然后加速

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The Rover eventually popped out.
漫游者终于解脱了

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Finally,
后来，

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21 months after leaving it's original landing site,
离开原来的着陆地点21个月后，

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Opportunity arrived at the rim of Victoria Crater.
机会来到了维多利亚陨石坑的边缘

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A colossal half mile wide, 230 feet deep, impact crater.
一个巨大的半英里宽，230英尺深的撞击坑

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A geologist's dream,
地质学家的梦想，

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but entering it was no walk in the park.
但进入这个陨石坑可不是公园散步

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It was here that the team caught the first image
团队就是在这里拍到了第一张照片

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of the Rover from space,
从太空拍摄的火星车，

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sitting at the edge.
正在陨石坑边缘

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Opportunity spent six months
机遇号花了六个月

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searching for a safe path in,
寻找一条安全的路径，

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when, in late June, gathering Martian dust storms
六月底，火星上沙尘暴开始肆虐

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threatened to kill off the hardy Rover.
威胁着坚韧的火星车的生命

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00:11:00,820 --> 00:11:03,540
Every couple of seasonal cycles on Mars,
火星上的两个季节循环交替，

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they get these dust storms
就会有这样的沙尘暴

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and they can be global dust storms
范围可以覆盖整个火星

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where they literally obscure the sunlight.
它们真是遮蔽了阳光

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They're solar powered,
它们是太阳能的，

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it's all about getting enough energy from the sun.
取决于是否得到足够的太阳能

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Opportunity had to hunker down for two months
机遇号不得不停歇两个月

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while dust storms raged,
当沙尘暴肆虐时，

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limiting the solar power to a level
将太阳能减少到一个水平

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that nearly caused the permanent failure of both Rovers.
几乎导致了两辆火星车的永久性故障

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So they went radio silent.
所以它们保持通讯静默

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Radio dark for days.
好些天无法联系

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And we didn't know if the Rovers were dead or alive.
我们不知道火星车是死是活

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And we programmed the Rovers to wake up
我们给火星车设定了唤醒程序

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at a certain time in the future.
在未来的一个确定的时间点

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And it was very dramatic
非常紧张激动

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because all of us were there in the control room
因为我们都在控制室

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waiting for the data to come down.
等着数据的传输

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And we'd gone days without hearing from them.
我们已经好些天没收到它们的消息了

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00:11:45,490 --> 00:11:47,750
And we'd seen orbital imagery of the planet
我们看到了卫星拍摄的火星的轨道图像

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just clouded in dust.
被沙尘暴遮盖

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Would they be alive?
它们还活着吗？

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Would they tell us?
还能发出信号吗？

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And sure enough, right at the moment they woke up,
果然，就在它们醒来的那一刻，

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00:11:55,370 --> 00:11:57,403
they said I'm here, and I'm okay.
它们说我在这里，我没事

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00:11:58,750 --> 00:12:01,100
Turns out, not all dust storms
结果，不是所有的沙尘暴

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are harmful to the Rovers,
都对火星车有害

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they can also be a blessing.
它们也可以是一种好事

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Mars is riddled with dust devils,
火星上到处是“魔鬼旋风”，

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dust devils that, instead of choking our roving ladies,
“魔鬼旋风”，不会窒息我们的火星女士

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kept them going long past their sell by date.
却让它们的寿命大大延长

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Dust accumulates at the rate of about 1% a day.
灰尘以每天约1%的速度积聚

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Which means that after 100 days,
也就是说100天后，

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most of the solar arrays will be covered by dust.
大部分太阳能电池板将被灰尘覆盖

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That would mean we'd have
那就意味着我们只能有

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00:12:28,370 --> 00:12:30,590
a 100 day mission, a 90 day mission
100天任务，90天任务

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that's what we designed.
我们的计划就是这样

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What we didn't expect is that wind gusts,
我们没想到的是那阵风，

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or wind events, or dust devils, or something,
或是大风，或是旋风之类的，

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would come along, and blow the dust off the arrays.
会吹过来，把电池板上的灰尘吹走

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It's like someone came by with a leaf blower
好像有人拿着吹风机过来

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and just dusted the whole Rover off
把车上的灰尘都扫掉了

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and it was factory new again.
又是全新的了

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The revived Rover eventually entered the crater
复活的火星者最终进入了火山口

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and spent a year investigating interior,
花了一年时间调查内部，

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before setting off for the much larger Endeavour Crater,
之后前往更大的奋进陨石坑，

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a 13 mile, three year journey.
13英里，长达3年的旅程

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There were too many of these dangerous ripples in our way.
我们的路上遍布着太多的危险

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00:13:09,360 --> 00:13:12,400
And we actually had to take this circuitous route that,
我们不得不走这条迂回的路线，

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at times, took us away from the crater,
有时，我们甚至远离火山口，

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only to then cut back
然后又绕回来

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and then approach it more directly.
以求更快地接近目标

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During this trek
在这次旅程中

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Opportunity would break the operational record
机遇号打破了距离记录

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for a functioning probe on Mars,
作为在火星上运行的探测器，

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a mark it still holds on it's own.
一个标志，它仍然保持着

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00:13:28,500 --> 00:13:32,150
Since it's twin and mission mate, the Spirit Rover,
因为它的双胞胎和任务伙伴，勇气号，

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00:13:32,150 --> 00:13:34,080
had it's last communication with Earth
最后和地球的通讯

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on March 22nd of 2010,
是在2010年3月22日，

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00:13:36,760 --> 00:13:39,185
when it's wheel became stuck in soft sand,
它的轮子卡在松软的沙子里，

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00:13:39,185 --> 00:13:42,543
and could no longer adjust the tilt of it's solar panels.
再也无法调整太阳能电池板的倾斜角度

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00:13:44,480 --> 00:13:47,330
Spirit eventually ran out of power,
勇气号最终耗尽了能量，

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and NASA officially ended it's mission in May of 2011,
美国航天局在2011年5月正式结束了它的任务，

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two months before Opportunity's arrival at Endeavour Crater.
在机遇号到达奋进陨石坑的两个月之前

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00:13:58,830 --> 00:14:01,300
A very different place, geologically speaking,
从地质学的角度来说，是一个完全不同的地方，

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from either Rovers' landing site.
相对于火星车的着陆地点

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00:14:04,840 --> 00:14:08,520
It was here that the team first discovered veins of Gypsum,
就在这里，研究小组第一次发现了石膏，

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00:14:08,520 --> 00:14:12,950
a mineral deposited by liquid water and clay minerals,
一种由液态水和粘土矿物沉积的产物，

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00:14:12,950 --> 00:14:15,960
which suggest intriguing ancient history,
暗示着奇妙的古代历史，

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00:14:15,960 --> 00:14:16,793
which includes
也包括了

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00:14:16,793 --> 00:14:19,393
a potentially life supporting water chemistry.
可能维持生命的水环境

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00:14:21,220 --> 00:14:24,250
And because it's been able to drive that great distance,
因为它能开那么远的距离，

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00:14:24,250 --> 00:14:26,710
it's actually gone back in time.
它实际上是回到了过去

288
00:14:26,710 --> 00:14:28,220
And what I mean by that is,
我的意思是，

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00:14:28,220 --> 00:14:30,210
the geology is of different ages
地质年代的不同

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00:14:30,210 --> 00:14:32,030
at different places on Mars.
分布于火星上不同的地点

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00:14:32,030 --> 00:14:34,530
Where the Rover's landed on Mars
火星车登陆火星的地方

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00:14:34,530 --> 00:14:36,960
is sort of middle age Mars.
有点像中年火星

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00:14:36,960 --> 00:14:40,497
Where Opportunity has driven to is ancient Mars,
机遇号使我们来到古老的火星，

294
00:14:40,497 --> 00:14:42,660
and it's where different clues reveal
不同的线索揭示了

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00:14:42,660 --> 00:14:44,840
the complex history of ancient Mars
古代火星的复杂历史

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00:14:44,840 --> 00:14:48,620
and has informed us about the ancient history of the planet,
我们知道了这个星球的古老历史，

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00:14:48,620 --> 00:14:51,413
which is that it was very much Earth-like, at one time.
它曾经有个时期，非常像地球

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00:14:53,640 --> 00:14:55,570
As Opportunity explored the ridge
机遇号探索了隆起

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00:14:55,570 --> 00:14:57,000
of Endeavour Crater,
在奋进陨石坑里，

300
00:14:57,000 --> 00:15:01,150
it passed yet another milestone in March of 2015.
2015年3月，它又一次跨越了里程碑

301
00:15:01,150 --> 00:15:04,080
Having traveled more than a marathon in distance
超过马拉松距离的长途旅行

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00:15:04,080 --> 00:15:05,463
on the Martian surface.
在火星的表面

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00:15:07,290 --> 00:15:09,850
The requirement was for one Rover
最初的任务是让火星车

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00:15:09,850 --> 00:15:12,220
to traverse at least 600 meters.
在火星完成至少600米的行程

305
00:15:12,220 --> 00:15:13,810
That's half a mile,
大约半英里

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00:15:13,810 --> 00:15:18,520
and Opportunity has gone over a marathon's distance.
实际上机遇号已经超越了马拉松的距离

307
00:15:18,520 --> 00:15:20,990
So more than 26 miles,
超过了26英里

308
00:15:20,990 --> 00:15:24,120
more than 42 kilometers on the surface of Mars,
在火星表面超越了42公里

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00:15:24,120 --> 00:15:27,343
more than any other human enterprise beyond the Earth.
比地球以外的任何人类探索任务都更远

310
00:15:29,310 --> 00:15:30,170
You could say
你可以说

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00:15:30,170 --> 00:15:33,423
the Rover set the off-Earth driving distance record.
火星车创造了地球以外星球行驶距离的记录

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00:15:35,030 --> 00:15:37,470
By the end, Opportunity traversed
最后，机遇号穿越了

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00:15:37,470 --> 00:15:40,003
more than 28 miles of Martian landscape.
28英里的火星地表

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00:15:41,860 --> 00:15:45,540
Sharing more than 225 thousand images of it's surroundings
分享超过22.5万张周边图片

315
00:15:45,540 --> 00:15:47,090
with researchers back on Earth.
传给地球上的研究人员

316
00:15:51,840 --> 00:15:55,470
Perseverance Valley, believed to be a water formed gully,
毅力谷，应当是水冲刷形成的沟，

317
00:15:55,470 --> 00:15:57,823
was Opportunity's final destination.
是机遇号的最终归宿

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00:16:02,690 --> 00:16:06,210
It was here, on June 10th 2018,
就在这里，2018年6月10日，

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00:16:06,210 --> 00:16:08,970
Sol 5111,
5111火星日，

320
00:16:08,970 --> 00:16:11,800
that Opportunity sent it's last message,
机遇号传回它的最后信息

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00:16:11,800 --> 00:16:15,467
creatively and poetically translated by media outlets as
被媒体创造性和诗意地翻译为

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00:16:15,467 --> 00:16:18,537
"My battery is low, and it's getting dark."
“我的电池没电了，天渐渐黑了。”

323
00:16:21,720 --> 00:16:23,430
This, as a massive
这个时候，一场巨大

324
00:16:23,430 --> 00:16:26,283
and devastatingly dense dust storm approached.
而毁灭性的密集沙尘暴来临

325
00:16:28,143 --> 00:16:30,710
And so the Rover couldn't generate any energy with that.
所以火星车不再能产生任何能量

326
00:16:30,710 --> 00:16:33,290
And so we saw the Rover just shut down.
我们知道火星车不得不关闭

327
00:16:33,290 --> 00:16:35,370
And there was nothing we could do at that point
当时我们无能为力

328
00:16:35,370 --> 00:16:38,790
because it didn't have power to keep going.
因为它没有力量继续前进

329
00:16:38,790 --> 00:16:40,403
And we just had to wait.
我们只能等待

330
00:16:41,280 --> 00:16:43,410
And that's what we did do
我们就是这样

331
00:16:43,410 --> 00:16:45,083
is wait and wait and wait.
等啊等啊等啊

332
00:16:46,970 --> 00:16:49,270
This is it's last panoramic view.
这是最后一张全景图

333
00:16:51,120 --> 00:16:52,410
Eight months later,
八个月后，

334
00:16:52,410 --> 00:16:55,263
NASA would designate Opportunity lost.
美国航天局宣布失去了机遇号

335
00:16:56,180 --> 00:16:57,923
It's mission complete.
任务结束了

336
00:17:02,240 --> 00:17:06,210
This mission accomplished so much more than we wanted to.
这次任务完成的比我们想的多得多

337
00:17:06,210 --> 00:17:09,472
It's just, it's mind boggling to me.
这真是，这让我难以置信

338
00:17:09,472 --> 00:17:13,410
If you had told me around the time we landed,
如果你在我们着陆的时候告诉我，

339
00:17:13,410 --> 00:17:14,720
that Spirit and Opportunity,
勇气号和机遇号，

340
00:17:14,720 --> 00:17:17,530
were going to each accomplish one quarter,
都要完成四分之一，

341
00:17:17,530 --> 00:17:20,050
or one 10th of what they ultimately did,
或者它们实际完成任务的十分之一

342
00:17:20,050 --> 00:17:21,400
I would have been thrilled.
我都会很激动的

343
00:17:23,120 --> 00:17:25,330
But while the operation may be over,
虽然任务结束了，

344
00:17:25,330 --> 00:17:27,513
it's ultimate enterprise continues.
这最终的事业还在继续

345
00:17:30,860 --> 00:17:33,090
New programs, like the Curiosity Rover,
新项目，比如好奇号火星车，

346
00:17:33,090 --> 00:17:35,680
which landed on Mars in 2012,
2012年登陆火星，

347
00:17:35,680 --> 00:17:37,960
and the future Mars 2020 Rover,
未来的火星2020探测器，

348
00:17:37,960 --> 00:17:40,030
are designed to build on the contributions
都是在先前的基础上

349
00:17:40,030 --> 00:17:41,823
of both Spirit and Opportunity.
包括勇气号和机遇号

350
00:17:44,430 --> 00:17:47,450
Not only their string of scientific firsts,
不仅仅是他们一连串科学上的第一，

351
00:17:47,450 --> 00:17:50,030
but also their emotional journey,
还有他们激动人心的旅程，

352
00:17:50,030 --> 00:17:51,840
illuminating the history
阐明了历史

353
00:17:51,840 --> 00:17:53,663
and beauty of the Red Planet.
红色火星的美丽

354
00:17:56,160 --> 00:18:00,640
It's just almost incomprehensibly remarkable,
简直是不可思议的奇迹，

355
00:18:00,640 --> 00:18:04,123
and how much we have rewritten the Martian history books.
我们重写了多少火星历史

356
00:18:07,220 --> 00:18:10,930
We have to remember not the loss,
我们要记住的不是损失，

357
00:18:10,930 --> 00:18:13,530
but the gain that we've had over the many years
而是我们多年来的收获

358
00:18:13,530 --> 00:18:15,330
and how, what a phenomenal story
以及这是多么惊人的故事

359
00:18:15,330 --> 00:18:18,100
because it was meant to be a three month odyssey
因为这是为期三个月的计划探险

360
00:18:18,100 --> 00:18:19,800
and it's been an incredible discovery
却成为一次难以置信的发现之旅，

361
00:18:19,800 --> 00:18:21,400
and that's the great gift.
这是一份伟大的礼物

362
00:18:21,400 --> 00:18:23,593
That's the wonderful thing to remember.
这是值得铭记的精彩故事

363
00:18:24,442 --> 00:18:28,442
字幕组：@火星学会@MarsSociety