'the party's over. It's time to call it a day. They've burst your pretty balloon, and taken the moon away.'
对开完了。一天就这么过了。他们把漂亮的气球弄爆了，把月亮带走了。
This similarity in density has long prompted speculation that the Moon split away from a rapidly rotating Earth, but this idea founders on two observations.
长期以来，这种密度上的相似性促使人们猜测月球是从快速旋转的地球上分裂出来的，但这种想法创始于两次观测。
"That will make it a lot closer to us than the Moon, which is over 380,000 kilometers away," Wu added.
“这将使它比月球离我们更近，而月球距离我们超过38万公里。”武春风补充道。
This is the unknown face of the moon that is always looking away from us, so we never see it from down here on the earth.
月球未知的一面总是远离我们，所以我们从地球上永远看不到它。
A sophisticated computer model demonstrates how tidal forces on Saturn could have peeled away the icy outer layers of a large moon that occupied an unfortunate piece of real estate.
一组精密的计算机模型模拟出了土星的潮汐引力可能将不幸位于某一特殊位置的大型卫星的外层冰壳剥离开来。
And while it is unlikely that Kennedy would ever have got away with suggesting that we choose to go to the moon to crash, LCROSS does offer some hope of a faster, cheaper future for space exploration.
如果肯尼迪建议我们选择撞击月球，那他不可能逃脱骂名。但LCROSS确实为太空探索提供了一个更快速、更低价的未来。
The side of the moon facing the Earth and the side facing away have strikingly different topographies.
正对和背对地球的月亮两侧地势差别明显。
That could be because the collision that made the moon in the first place was so hot that volatile elements like hydrogen, a key component of H2O, largely burned away.
这可能是因为月球形成过程中，撞击产生的热能使挥发性氢元素——水的重要组成成分——大量流失。
First, the new moon on May 24 will change the tone of the month and allow you to turn your attention away from career and money and relax a bit more.
首先，24的新月会改变5月的基调，你不再需要那么关注你的职业和财务，可以稍事休息。
We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same.
我们发现月球距离地球约23万9千英里(38万4千551公里)。
The near side is always facing Earth and the far side is always facing away, because the moon revolves around the Earth at the same rate that it rotates on its own axis.
近地半球总是面对地球，远地半球总是远离地球，因为月球在绕地球旋转的同时，它也在以同样的速率绕自己的轴自转。
The moon is thought to have formed closer to the Earth than it is now and spun faster, slowing down and moving away over time through tidal interactions with Earth.
月球曾被认为它形成的时候与地球的距离比现在要近，而且旋转比现在更快，它的减速和离去是因为长期和地球发生相互的潮汐的作用导致。
Click the link symbol in between the mask and the moon thumbnail in the Layers Panel to make the link symbol go away.
点击面板中位于月亮图层的图像缩略图和蒙版缩略图之间的链接标志，以去除链接。
That might sound confusing - seeing as how the Sun is so much bigger than the Moon, but remember - gravity decreases with distance - and the Sun is much farther away from Earth than the Moon.
听起来可能有些令人困惑——明明太阳是远远大于月球的，但请记住——引力随距离减小——比起地球与月球的距离，太阳遥远得多。
The double-moon effect is aided by the matching reflectivity of Dione (top), which is closer to the camera, and Rhea, which is farther away but slightly larger than Dione.
这种双卫效果受益于离摄像机较近的狄俄涅（土卫四）和离摄像机较远但是比前者稍大些的瑞亚（土卫五）一致的反射率。
In place of the upper stage for moon missions, giant cargo modules or even massive space telescopes could be packed away, according to a report by the National Academies of Science.
根据国家科学院的报告，代之以月球探测计划的上一级，巨大的货物模块，甚至大规模的太空望远镜可以打包。
And if someone were still on Earth: the Moon will have moved far enough away that it appears much smaller - and there are no more solar eclipses!
如果仍然有人在地球上：月球将离到足够远，以致看起来要小得多——也不再有太阳蚀！
We already know that the Moon is moving farther away from Earth but other changes are happening as well.
我们已经知道，月球正在远离地球，但其他变化也正在发生。
The far side of the Moon is permanently turned away from us and at best we can only ever see one fifth of it.
月亮的暗区是永久背离我们的那一面，我们至多只能看到它的五分之一。
Some choose to get away from the hustle and bustle of the city and move to high mountains, where it seems much closer to the moon.
有些人选择远离城市的喧嚣，来到高山上，在那里似乎离月亮更近。
Because their necks aren't yet long enough to see things far away, baby turtles rely on the mirror image of the moon to guide them to the sea, to begin their new life.
由于幼龟颈部不够长，视物不远，因此要依赖月亮的映像引导它们爬向大海，开始新的生活。
The layer of lunar dust on the rocky moon is thin, so was blown away from the landing area by the descent engines.
多岩石的月球上土层非常薄，所以在机器下降的时候土会被吹走。
The moon is slowly spiraling away from Earth as it drives day-stretching tides, a phenomenon recorded in rocks and fossils that provides clues to the satellite's origin and ultimate fate.
月球引起了每个白天的潮汐，同时也给自己带来了副作用——它正沿着螺旋状轨迹慢慢的远离地球。这个可以用岩石和化石上的线索加以证明的现象，昭示了这颗卫星最初和最终的命运。
Each moon has one side that faces toward its parent planet, while the other side faces away.
每个卫星都有一面面向它的主恒星，而另外一面远离其主恒星。
The best way to view the Leonids is to face the darkest part of the sky, away from the moon and the constellation of Leo.
朝天空中远离月亮和狮子座最黑的地方看，是今夜观察狮子座流星雨的最好办法。
If you would like to be a bright moon, then I would like to do a gust of wind, blowing away all the clouds around you, so that you always crystal clear and beautiful!
如果你愿意做个明亮的月亮，那么我就愿意做一阵风，吹走你身边所有的乌云，让你永远晶莹美丽！
The only problem is the reservoirs are located about 750 million miles away on Saturn's moon Titan.
唯一的问题是那个储藏库在土星的卫星泰坦（Titan)上，离我们有7亿5千万英里远。
Earth and the Moon from afar - when NASA's MESSENGER spacecraft took this image on May6, 2010, it was 183 million kilometers (114 million miles) away. North is toward the bottom of the image.
这是从遥远处拍摄的地球和月亮形影不离的照片，由美国宇航局信使号飞船于2010年5月6日在1.83亿公里之外拍摄，照片的底部对着正北。
Finally, the door opened. Neil Armstrong climbed down first. He put one foot on the moon. Then, the other foot. And then came his words, from so far away.
最终，舱门打开了。阿姆斯特朗首先爬下来。他一只脚踏上月球。然后是另一只脚。然后从如此遥远的地方传来他的话。
Finally, the door opened. Neil Armstrong climbed down first. He put one foot on the moon. Then, the other foot. And then came his words, from so far away.
最终，舱门打开了。阿姆斯特朗首先爬下来。他一只脚踏上月球。然后是另一只脚。然后从如此遥远的地方传来他的话。
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