In a lunar eclipse, Earth passes between the sun and the moon.

在一次月蚀中，地球将从太阳和月球之间经过。

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Very fresh: the sun and the moon Centre Centre at the smallest distance.

食甚：月球中心与太阳中心距离最小的时刻。

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Round: the sun and the moon, the second cut, sun-moon has just completely left behind the moment.

复圆：太阳与月球第二次外切，太阳光球刚完全离开月球背后的时刻。

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Astronomers use the observatory to study the positions and movements of the Earth, sun,moon and other objects in space.

VOA: special.2009.09.21

Donald Olson and Thomas Lytle of Southwest Texas State University have calculated the tidal forces exerted on the earth by the sun, the moon and the planets.

ECONOMIST: Not the end of the world

The Mayan calendar is based on the position of the heavenly bodies -- the sun, the moon and the stars -- and was meant to tell the Mayan people about agricultural and economic trends, said archeologist Alfredo Barrera.

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What everyone has been waiting for is something as rare as a simultaneous eclipse of the sun and the moon: a time when the four Beatles (and their widows), both Apple companies and EMI are all on the same side.

BBC: Today - You Never Give Me Your Money