We think meteors that crashed into the moon or tails of passing comets may have introduced water molecules.

我们认为，撞击月球的流星或经过的彗星尾巴可能会留下一些水分子。

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This is because some indirect sunlight still reaches the moon after passing through the Earth's atmosphere, which scatters blue light.

这是因为通过地球大气层呈现蓝色的太阳光仍旧会间接抵达月球。

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The eclipse, caused by the Moon passing between the Earth and the Sun, will be visible in the UK between around 8am and 9.30am on January 4.

这次由月球通过太阳和地球之间引起的日食在一月四号上午，大约八点到九点半的时候，在英国可以观测到。

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Estimates that it could smack into the Moon caused great excitement, since previous planned impacts of rocket parts allowed Nasa to measure the shockwaves passing through the Moon and find out more about what lies beneath the surface.

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The most mentioned celebrity passing, of first man on the moon Neil Armstrong, was the fifteenth biggest event of any type for 2012.

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The astronauts pointed a camera to show the view out their window, the moon's gray craters and mountains passing by around 70 miles below.

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