Mercury is a liquid metal, and Mercury, the planet, is the fastest moving heavenly body that naked eyes can see.

水银是液态金属，行星水星是肉眼能看到的运动最快的天体。

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Because Mercury is the planet of communication and commerce, you will find these areas liable to have problems.

由于水星是掌管沟通和商业的行星，你可能会在这些领域遇到一些麻烦。

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In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.

1677年11月，哈雷在南太平洋荒凉的圣赫勒拿岛上观测到了水星（最靠近太阳的行星）的凌日现象。

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One involves landing on the surface of the planet Mercury.

VOA: special.2010.05.25

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选

On 18 March, Nasa spacecraft Messenger will make history by becoming the first to orbit the planet Mercury.

BBC: Story ideas for 2011 News Day

NASA's Messenger spacecraft blazed past the planet Mercury on Monday during the first of a series of rendezvous.

NPR: New Images May Shed Light on Mercury's Mysteries

Subsequent missions will analyse the solar wind, three comets and the planet Mercury.

BBC: At a glance: Asteroid touchdown