Some of it has to do with meteorological conditions, and some with the phase of the moon.

有的与当时气象条件有关，有的则与月相有关。

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Thereafter the degree of intensity tapers off until it is at its minimum during the third quarter phase of the moon.

此后，强度逐渐减少，直到它是在最低限度在今年第三季度阶段的月球。

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When it provides so much more than just the time: temperature, phase of the moon, and accuracy within one second per year, for example.

当是一个时钟不只是一个时钟？当它提供了这么多，不只是更多的时间：每一年内第二个例子，温度，月相和准确性。

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The Economist can take solace that the original picture showing the waxing phase on the left side of the moon in Rio was indeed correct.

ECONOMIST: Letters

Unfortunately, his mnemonic would only work in the northern hemisphere, where the moon is observed in the southern sky with the right side of the moon sunward during the waxing phase and the left side sunward during the waning phase.

ECONOMIST: Letters

That phase will last about three months, as the Moon completes three rotations beneath the orbits of the two satellites.

FORBES: NASA's GRAIL Mission Will Unlock Secrets Of The Moon's Interior