Just after sunset, the planets Mercury and Venus are visible quite near each other.
就在日落以后，行星水星和金星看起来彼此离得很近。
Mercury and Venus will surely be swallowed, but the Earth's fate has always been more uncertain.
水星和金星自然会被吞噬，但地球的命运总是不那么确定。
As a result, some 5 billion years from now, the sun will engulf the inner planets, Mercury and Venus.
因此，大约在50亿年之后，太阳将会吞没近围的行星——水星和金星。
The impulses of Uranus, Mercury and Venus will facilitate basic stability in the sky of your loves, which will enable you to live your imaginations in all quietude.
天王星、水星和金星的结合会给你带来基本的稳定性，在爱情的世界里，你可以尽情地翱翔，在所有安静的领域里投入你的想象力。
The orbits of Mercury, Venus, Earth, Mars, Jupiter and Saturn fit neatly into this pattern; Uranus, discovered in 1781, also obeyed the law.
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 planets, in order of their distance from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
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。
While Venus and Mercury have no moons, Mars has two, while Saturn and Jupiter have more than 60 each.
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。
Those are planets like Mercury, Venus, Earth and Mars.
这些行星跟水星，金星，地球和火星类似。
In order from bottom to top, wandering Mercury, Venus, Mars, and Jupiter are stretched along the ecliptic plane.
从底部向上依次是水星、金星、火星和木星，它们在黄道盘上延伸开来。
The four planets nearest it are rocky, terrestrial worlds — Mercury, Venus, Earth and Mars.
最接近它的四颗行星是石质的类地行星——水星、金星、地球和火星。
Mercury, Venus, Earth, and Mars are sometimes called the terrestrial planets.
水星、金星、地球和火星通常被称为陆地行星。
Earlier this month, Venus and Mercury climbed into the western twilight, entertaining skygazers around planet Earth in a lovely conjunction of evening stars.
本月早些时候，金星和水星爬进西边的暮色中，为地球上的天空凝望者上演美丽的昏星会合。
Moving away from the Sun are four tiny rocky planets, Mercury, Venus, Earth and Mars.
由太阳往外看，是四个小型岩石行星：水星、金星、地球和火星。
Eight planets officially remain: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
余下的八大行星为：水星、金星、地球、火星、木星、土星、天王星和海王星。
Venus (left) and Mercury (right) are near their much anticpated conjunction in the early evening sky.
金星（左边较亮的那颗）和水星（右）在黄昏的天空中正接近它们预期的会合。
Why, for example, is Mercury so much denser than Earth, Venus and Mars?
例如，水星的密度比地球、金星和火星大吗？
Every morning in May the naked eye will be able to spot Mars, Jupiter, Venus and Mercury, and with a small telescope one can see Uranus and Neptune.
在五月期间，人们每天早晨都可以用肉眼看见火星、木星、金星和水星，用小型望远镜还可以看见天王星和海王星。
Moons are rare in the inner solar system: Venus and Mercury don't have any, and Mars's two moons are tiny pebbles in comparison with ours.
在太阳系内的行星拥有的卫星是很少的，金星和水星没有卫星，火星有两颗卫星，但跟我们的比起来就像是小小的鹅卵石。
The spacecraft began its journey more than six years ago, traveling through the inner solar system and embarking on flybys of Earth, Venus and Mercury.
该航天器与六年前启程航向内太阳系，并对地球、金星和水星从事飞近探测。
Messenger was launched more than six years ago, travelling through the inner solar system and embarking on flybys of Earth, Venus and Mercury.
信使号于六年前发射，穿过太阳系内部，飞越地球、金星和水星。
Of course on April 15, Venus and Mercury were joined by a young crescent Moon.
当然4月15日小月龄的蛾眉月加入了金星和水星的会合。
Until 1781 there were only five planets known to affect us in the minds of astrologers: Mercury, Venus, Mars, Jupiter and Saturn.
直到1781年，占星学里所知的影响我们的行星只有5颗：水星、金星、火星、木星和土星。
Relative size of the inner planets of the solar system (from l-r) : Mercury, Venus, Earth, and Mars.
太阳系内部行星的相对体积(拍自1 - r)：水星、金星、地球和火星。
Then on Wednesday May, 11, Jupiter, Venus and Mercury will be in a very straight line ", said David L." DeBruyn.
5月11日(周三)那天，木星、金星和水星将形成一条笔直的线。
Relative size of the inner planets of the solar system (from l-r) : Mercury, Venus, Earth, and Mars. New research supports the idea that Mars owes its small size to its relatively rapid formation.
太阳系内部行星的相对体积(拍自1 - r)：水星、金星、地球和火星。
The very closest grouping will come Tuesday, May 10, when Venus, Jupiter and Mercury will be in a very close-knit triangle, with Mars to the left and below the triangle.
戴维l狄布恩说：“行星最紧密的会合将在5月10日(周二)发生，金星、木星和水星将形成一个紧密会合的三角，火星在左边，位于三角下方。”
On May 13th, Mercury, Venus and Jupiter will form a "bright celestial triangle", and on May 20th, a new triangle will form.
5月13日，水星、金星和木星将形成一个“闪亮天体三角”，之后在5月20日，还会形成一个新的三角。
Our planet Earth, together with other planets, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto revolve around our Sun in what is called our Solar system.
我们的地球和其他行星——水星、金星、火星、木星、土星、天王星、海王星、冥王星一起围绕着太阳旋转，构成所谓的太阳系。
Our planet Earth, together with other planets, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto revolve around our Sun in what is called our Solar system.
我们的地球和其他行星——水星、金星、火星、木星、土星、天王星、海王星、冥王星一起围绕着太阳旋转，构成所谓的太阳系。
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