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。

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At the time President Kennedy first spoke about landing humans on the moon, the Soviet space program seemed far ahead.

VOA: special.2009.07.08

And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.

当然这是一个非常快的速度，它大约是每小时7亿英里,为了更形象化，我们,看看光从地球到月球,需要多少时间，你们猜猜是多少？,8秒，猜的不错。

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He said about one hundred kilograms of water had been found in the material ejected by the moon crash.

VOA: special.2009.12.30

"I think they will not be over the moon about the outcome, " he said.

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George was way more over the moon about the equipment I purchased than the Haiti research.

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So South Africans were laughing and shouting, and South Africans are just on top of the moon about this.

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