The astronauts brought back specimens of moon rock.
宇航员带回了月球岩石的标本。
The moon rock had been brought to Earth by Apollo 11 astronauts in 1969.
该月球岩石于1969年由阿波罗11号的宇航员带到月球。
And the moon rock is not from the Apollo mission, but from a certified meteor.
而月球岩石不是从阿波罗任务，而是从一个认证流星。
Sceptic: a moon rock photographed during Apollo 16's mission is marked with the letter c.
质疑者：阿波罗16号执行任务时拍摄到的一块月面岩石上标有字母c。
That moon rock gave me a whole different perspective on history and the proverbial long run.
这块月亮上的岩石给了我对于历史和众所周知的“眼光长远”完全不同的视角。
Caption: Sceptic: a moon rock photographed during Apollo 16's mission is marked with the letter c.
描述：质疑者：阿波罗16号执行任务时拍摄到的一块月面岩石上标有字母c。
One theory suggests that hydrogen released by the Sun in solar winds could have reacted with compounds containing oxygen in the Moon rock, producing tiny amounts of H20.
一种理论认为太阳通过太阳风释放氢原子，可能与月球岩石中的含氧化合物发生反应，产生微量的H20。
And in 2009, a supposed moon rock from the first manned lunar landing, Apollo 11, given to the Dutch national museum in Amsterdam, proved to be nothing more than petrified wood.
在2009年，据称是来自人类首次登录月球时的阿波罗11的月球标本石被赠与位于阿姆斯特丹的荷兰国家博物馆，但是后来证明只是木头化石而已。
Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
木星的卫星木卫一全是岩石，其密度为每立方厘米3.5克。
Astronauts have brought back specimens of rock from the moon.
宇航员从月球带回了岩石标本。
During the stay on the moon, it collected 1,731 grams of rock and soil samples.
在月球停留期间，它收集了1731克岩石和土壤样本。
Even though the Moon has a solid surface of rock, small tidal bulges actually occur.
尽管月球是固体岩石表面，小的潮汐隆起实际上也会发生。
Subtle differences in Titan's pull on Cassini suggest that the materials inside the moon are a mix of ice and rock with no clearly defined rocky layers.
泰坦星对卡西尼号牵引力的细微变化表明，该星球内部为冰和岩石的混合物，且没有明晰的岩石分界线。
We think-but we are not sure-that the moon has a center core which includes molten rock, as the earth does.
我们预料，但是我们不能确定，月球有一个由熔岩构成的地核，如同地球。
Lunar rock samples brought back by the Apollo astronauts provided evidence of an ancient magnetic field on the Moon about 100 times weaker than the Earth's magnetic field.
阿波罗号宇航球带回的月岩石样本证明了在月球上存在着古老的磁场区域，并且磁场强度比地球磁场强度弱一百倍。
That means the rocky material is much like the moon and the rock that makes up the Earth.
这和月球以及组成地球的岩石相似。
Since the Apollo missions brought back the first clumps of lunar soil and rock in the 1960s, scientists have worked on the assumption that the moon is bone dry.
自从20世纪60年代的“阿波罗”号宇航员首次带回几块月球土壤和岩石样本，科学家一直都认为月球完全干燥。
Nasa's hope of filming a spectacular crash on the moon was dashed satellite and telescope imagery failed to record the enormous plume of rock and dust that scientists had predicted.
美国航天局（Nasa）拍摄到对月球的一次特别撞击的希望破灭。卫星和太空望远镜没有拍摄到科学家所预测的巨大的由尘埃和碎片形成的羽状云。
The ideal test would be to go to the far side of the moon and collect a rock sample, but no mission like that is planned, she says.
验证这个想法需要去向月球的远地点去收集岩石样本，但是还没有科研计划有这个任务，她说。
The astronauts returned with soil and rock samples, which NASA also cites as physical evidence of our presence on the moon.
宇航员从月球上带回了土壤和岩石样品，NASA也把这些作为我们确实登上月球的物证。
No, Galileo wants to say no, the moon is made of rock just like the earth its got mountains and valleys and all the rest.
伽利略并不这么认为，他认为月亮是由岩石构成的，就如同地球上的山川峡谷以及其它事物一样。
Under the new thinking, astronauts could barnstorm or circle the moon, Mars and Mars' twin moons, deploying probes to do their rock-collecting and experiments for them.
根据这种新思维，宇航员可以围绕月球、火星和火星的两颗卫星飞行，同时部署探测器为他们进行岩石采集和试验工作。
The icy rings of Saturn could be what's left of an ancient ice-rock moon that got stripped and swallowed by the gas-giant planet. Christopher Intagliata reports.
土星外面有一圈冰冷的土星环，可能是遥远时期它的一颗由冰和岩石组成卫星的遗留物，而这颗卫星已经被土星这个巨大的气质行星撕裂、吞噬了。
Ancient cultures often modified natural rock formations or built stone monuments to mark the motions of the sun and moon, charting the seasons, creating calendars and monitoring eclipses.
原始文明经常用改造天然石群或修建石碑来记录太阳和月亮的运行和季节变化，创立历法和观测日食月食。
The moon may be 200 million years younger than widely believed, according to a new analysis of a rock brought back to Earth in 1972 by Apollo 16 astronauts.
根据对一块于1972年由阿波罗16号宇航员带回地球的月球岩石样品的新的分析，月球年龄可能比人们普遍认为的要小2亿年。
The astronauts obtained rock samples from the moon.
宇航员们从月球上获得岩石样品。
A new moon-rock study suggests the satellite has an iron core.
月球可能比科学家原先认为的更要“地球化”。一份最新的月石研究报告称，月球有一颗“铁心”。
A new moon-rock study suggests the satellite has an iron core.
月球可能比科学家原先认为的更要“地球化”。一份最新的月石研究报告称，月球有一颗“铁心”。
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