Scientists want to bring a chunk of the red planet down to Earth on what's called a sample-return mission.

科学家们希望将这颗红色星球的一大块带回地球，进行所谓的取样返回任务。

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We very absolutely shocked when we found that not only it's not similar, but unlike the Earth where every sample is essentially the same, here we're getting these enormous differences.

我们非常震惊，当我们发现氯元素的比例不仅仅是不相似，而且不像地球上那样每个样本在本质上是一样的，在这里我们一直都在得到巨大的差异。

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One of those robotic devices, after maneuvering to a suitable location with guidance from Earth-based controllers, will use a mechanical arm to scoop up a sample of lunar soil.

那时，将有一种机器人设施，能够根据地球基站控制人员的指令寻找到适当的位置，用机器手攫取月球表面风化层泥土材料样本。

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If SAM does spy a potential organic, it will aim to determine if it's actually from Mars, or hitchhiking strays from Earth contaminating the sample collector.

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At the same time it was activated in space, a control sample was activated here on Earth.

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Such depths are commonplace when sample cores are drilled out of the earth's crust by geologists.

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