The Moon changes signs every-two-and-a-half days and passes through all 12 signs in approximately one month.

月亮每两天半经过一个星座，基本上一个月能经过12个星座。

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To show why it is that the Moon changes shape ask someone to hold up a white ball and walk round a light with it.

为了表示为什么月亮改变形状，让人拿着一个白色的球然后绕着灯走。

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Similarly, when the Moon changes from northern latitudes to southern latitudes, that point becomes the Lunar south Node.

同样的，当月球从北纬向南纬运行时产生的交点称为南交点。

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U.N.Secretary General Ban Ki-moon told BBC television that was a painful lesson, and the United Nations will make changes for next month's vote.

VOA: standard.2009.10.21

Here he argued the the moon showed radical changes in temperature between day and night while the earth showed much less change.

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Since the gravity of the Moon is different at different portions of the Moon, this will cause slight changes to the distance between the two satellites.

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Walking along the pebble beach at Half Moon Island, Chris Edwards, a geologist from Scotland, says the changes are obvious.

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