How Much Is the Moon?

月亮多少钱？

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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。

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Currently, scientists are trying to fit this with other facts about the Moon to figure out how much water is there, and even what form this water takes.

如今，科学家们正在努力将此信息与月球的其他信息匹配起来，确定那里有多少水存在，并且是什么形成了这片水域。

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