众所周知，与其他岩石行星相比，水星的密度很高。
Mercury is known to have a high density in comparison with other rocky planets.
在所有的内行星中，只有水星和地球拥有这样一个领域。
Of all the inner planets, only Mercury and Earth boast such a field.
“信使号”将探索水星的表面、地壳、大气，甚至其磁场。
Messenger will explore the surface of Mercury, its crust, its atmosphere and even its magnetic field.
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。
Mercury is a liquid metal, and Mercury, the planet, is the fastest moving heavenly body that naked eyes can see.
你也许会好奇，你是否需要因为水星的逆行而作出任何定论。
You may be wondering whether you should finalize any of this with Mercury retrograde.
哈雷意识到水星离地球如此之远，以至于很难确定它的视差角。
Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.
如上所说的，水星要逆行了，所以这个月我们要把这个因素考虑在内。
Mercury, as said, will be retrograde, so we have to factor this into the mix of the month.
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。
Because Mercury is the planet of communication and commerce, you will find these areas liable to have problems.
理论上，你需要核心里的熔化铁来产生它，但是水星很小，它的核心凝固还要很久。
In theory, you need molten iron in the core to generate one, but Mercury is so small, its core should have long since solidified.
尽管金星和水星没有卫星，火星却有两个卫星，更别提各有超过60个卫星的土星和木星。
While Venus and Mercury have no moons, Mars has two, while Saturn and Jupiter have more than 60 each.
但有一个问题：和水星凌日不同的是，金星凌日是罕见的，大约每隔一百年会成对出现八年的时间。
But there was a problem: transits of Venus, unlike those of Mercury, are rare, occurring in pairs roughly eight years apart every hundred or so years.
水银是一种液态金属，而水星这颗行星，是肉眼能看到的运动最快的天体。火星，为什么火星是红色的？
Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, why is Mars red?
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。
In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.
水星、金星、地球、火星、木星和土星的轨道恰好符合这种模式；1781年发现的天王星也同样符合该定律。
The orbits of Mercury, Venus, Earth, Mars, Jupiter and Saturn fit neatly into this pattern; Uranus, discovered in 1781, also obeyed the law.
按照它们与太阳的距离排列，这些行星分别是水星、金星、地球、火星、木星、土星、天王星、海王星和冥王星。
The planets, in order of their distance from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
2016年，它还在向前推进，扩大其去年收购的美容连锁店蓝水星的规模。
It's also pushing ahead in 2016 with an expansion of Bluemercury, the beauty chain it bought last year.
超大碰撞可能剥去了水星的一部分岩石地幔，留下了一个金属核心，其密度与原来的岩石与金属的比例相比大得不成比例。
A titanic impact could have stripped away a portion of its rocky mantle, leaving behind a metallic core whose density is out of proportion with the original ratio of rock to metal.
米歇尔是水星海洋公司全球品牌副经理。
Michel is the Associate Manager of Global Branding at Mercury Marine.
水星逆行的时候，会发生乱七八糟的事情。
水星逆行不是买贵重物品的好时间。
Mercury retrograde is never a good time to buy expensive things.
我们一点也不知道水星成分。
从水星看地球会是什么样呢？
可以发现，水星比冥王星近100倍。
离太阳最近的行星叫做水星。
水星在射手座，土星衰落。
水星品牌则逐步退出市场。
7号-30号水星逆行。
这些行星跟水星，金星，地球和火星类似。
金星和水星都没有卫星。
就在日落以后，行星水星和金星看起来彼此离得很近。
Just after sunset, the planets Mercury and Venus are visible quite near each other.
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