When you analyze this light, you can figure out their distance from the Earth, and identify what they are made of, determine their chemical composition.

当你分析这些光的时候，你可以计算出它们与地球的距离，并确定它们由什么构成，查明它们的化学成分。

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This is why the discovery of water in the interior of the moon is really a critical piece of the puzzle to try and figure out how the Earth and the moon are really linked.

这就是为什么在月球内部发现水，确实是我们试图找出地球和月球究竟是怎样真正联系的这个谜团的一个关键所在。

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The earthquake also shifted the so-called figure axis of the earth, which is the axis that the earth's mass is balanced around.

地震也改变了地球的几何中轴线，中轴的周围地球的重量是平衡的。

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This image of the afterlife is founded on the orthodox figure for eternity. The body stays to the earth while the soul, like the day-star, rises to the sky.

关于来生的这幅画面是建立在正统基督教,对永生的信仰上的，肉体归于泥土,灵魂却会像启明星一样升上天空。

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But astronomers have been unable to figure out how they get from the main asteroid belt between Mars and Jupiter to the vicinity of the Earth.

ECONOMIST: Celestial mechanics