At 8:30 local time, soon after this picture was taken, the district went dark in support of the world's third Earth Hour.

在当地时间的8点30分(即如下图所示)，为支持第三个地球一小时活动日，整个街区变暗了。

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Third, the gravitational shield of the giant outer planets, while highly efficient, must occasionally fail to protect Earth.

第三，巨大的外行星的引力屏障虽然非常有效，但偶尔也会无法保护地球。

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Earth, our home, is the third planet from the sun.

我们的家园地球，是太阳系的第三颗行星。

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In contrast, the third Earth-like planet, Kepler 69c, orbits a star very similar to our sun (that is, hotter than Kepler 62).

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The fund will be called Third Rock Ventures (because Earth is the third rock from the sun).

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If it were a physical nation, it would now be the third most populous on earth.

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