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[自然百科] 自然百科:金星和水星旅行指南(4)
Craters here sctreches as far as the eye can see.这里的环形山远非用眼睛所能看得到的。Although no human has ever set foot on Mercury, we have pretty good idea of what you will see.虽然没有2012-02-27 编辑：mike
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[自然百科] 自然百科:穿越银河系的旅行(3)
You would need to get out of the Milky Way to really see what it looks like. We don't have a way to do that, but we can look at other galaxies and see what they look like.你需要走出银河系列才2012-03-02 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(1)
Everyone likes a vacation in a warm climate, but how about a trip to two planets that as hot as hell?每个人都喜欢气候适宜的时候旅行,但到两个热得跟地狱一样的行星旅行如何呢?If you are walking on2012-02-21 编辑：mike
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[自然百科] 自然百科:穿越银河系的旅行(1)
We live amongst 200 billion stars, in the Milky Way galaxy, a vast cosmic city. The earth is located in a quiet neighborhood, in a safe neck of the woods. But what if we could take our planets on a2012-02-29 编辑：mike
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[自然百科] 自然百科:澳大利亚大堡礁(1)
This dive gonna be a lot of thing. Warm, is not on that list. Insulated suit will keep them alive under the ice for only sixty minutes. Once a helicopter departs, there is no marching for aero.2012-02-22 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(7)
Mercury's core makes up about 60% of the planet by mass. It's about twice as big as earth. Why would it have such a huge core for such a small planet? Some people think there is a huge impact2012-03-06 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(9)
Like Mercury, the Earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads.2012-03-08 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(8)
When you getting to the orbit, you can end up mapping the whole planet at fairly high resolution. So we'll start having a maturing fundamental understanding of Mercury not only at surface but2012-03-07 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(10)
Reason you are gonna go to mercury as a travel destination would be this night sight view because it's gonna be highly unique in the solar system.你要把水星作为一个旅游目的地的原因就是夜间的景2012-03-09 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(3)
This is one pockmark planet worth taking a close look at. Like our moon, mercury is covered in craters.这是一个值得仔细观察的行星。就像我们的月亮一样，水星也是布满了各种盆地。And you can2012-02-24 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(5)
Many aspects, like its geological past, are a mystery. But some things we do know, this lonely planet has strange science of keeping time. Once you arrive, you have to reset your watch for a time2012-02-28 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(6)
After Messenger's 3 fly-bys,we've now mapped 90% of the planet,taking them around 124 miles. These images are the clearest data of mercury.And it's not hard to spar?A crater epic2012-03-05 编辑：mike
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[自然百科] 自然百科:穿越银河系的旅行(2)
Of course, I can't show you a picture of the galaxy on our screen. We can't fly above the galaxy and take a picture of it, and show you. We're stuck in the disc of the galaxy, but we can2012-03-01 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(12)
And here in a freezer that MESSENGER will encounter another puzzle: can ice exist on a planet so close to the sun?在冷冻中,信使号将遇到另一个难题:如此接近太阳的行星冰存在吗?It's only when2012-03-13 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(13)
Move away from the sun and you'd expect it to cool down a little.远离太阳，你会期望它冷却下来一点点。Venus the picture of coolness and calm all pale but galley clubbed by clouds2012-03-14 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(14)
Venus' clouds cover is mostly made of carbon dioxide then the earth we have the same amount but it's tied up in rocks like limestones just tied up in waves.金星的云层覆盖主要是由二氧化碳，2012-03-15 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(15)
You are there, on the most exciting nerve shattering journey in the history of men.你在那里,经历着人类历史上最激动人心的旅程。Fifty years ago, it was easy for us to imagine venus,50年前,2012-03-16 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(16)
Where did all the water on the Venus go?[qh]金星所有的水去了哪里?And what else lies hidden under her veil?还有什么别的隐藏在她的面纱下吗?In 1989 the space shuttle Atlantis launches the2012-03-19 编辑：mike
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[自然百科] 自然百科:野性俄罗斯之西伯利亚(1)
Russia, inaccessible to the rest of the world for so long. 俄罗斯,对其他世界其他地方不可接近已经有很长时间。Now open borders spill its secrets.而现在开放的边界透露着它的秘密。2012-03-20 编辑：mike
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[自然百科] 自然百科:金星和水星旅行指南(17)
Hawaii has some of the most spectacular shield volcanoes that are very similar to volcanoes we see on Venus.夏威夷有着最令人叹为观止的火山，和我们在金星上看到的类似。The huge gently sloped2012-03-23 编辑：mike
