The planet, called VB 10b, was discovered using astrometry, a method inwhich the wobble induced by a planet on its star is measured preciselyon the sky.
这颗行星，VB10b，是用天体测量学的方法，精确测量它的恒星在空中的受迫摆动而发现的。
Although the Soviet Union initially led the space race, the first spacecraft to fly by a planet other than Earth was an American one, and the first man on the moon was also an American.
尽管前苏联抢占了太空竞赛的先机，第一艘绕行星而不是地球飞行的太空船来自美国，第一位登月宇航员也是美国人。
It's a space-borne telescope that will be able to measure the tiniest dimming (caused by a planet crossing in front of the host star), to one part in 100,000, allowing us to detect Earth-like planets.
这是一个太空望远镜，能够观察由行星在主星(恒星)前横移造成的最微弱的亮度变化。如果允许我们探测类似地球的行星，那么需要达到该亮度变化的十万分之一。
Only by protecting the environment can we assure our later generation of a beautiful planet.
只有通过保护环境，我们才能向子孙后代承诺给他们一个美丽的地球。
The sense of an extraterrestrial experience is heightened by a line of yellow lights twinkling on the horizon, like a lone settlement on a hostile planet.
地平线上有黄色的光线在闪烁加深了在外星上的感觉，就像是一个充满敌意的星球上的一个孤独的定居点。
This break in Earth's history is marked by a mass extinction, when as many as half the species on the planet became extinct.
地球历史上的这次重大灾难以物种的大量消亡为标志；当时，地球上多达一半的物种都灭绝了。
The steady deterioration of the very climate of this very planet is becoming a war of the first order, and by any measure, the U.S. is losing.
这个星球气候的持续恶化正在发展为一场至关重要的战争，不论以哪种标准衡量，美国都在输掉这场战争。
Pictures and videos sent back by China's first Mars probe allowed us to see this red planet at such a close distance.
中国首个火星探测器传回的图片和视频让我们在如此近的距离看到了这颗红色星球。
For the chemistry of life to be remotely detected, we must find a planet where photosynthesis is is being conducted by surface organisms.
对于需要远距离探测的生命化学，我们必须要找到一个通过表面生物进行光合作用的星球。
I am bound, you are bound, to everyone on this planet by a trail of six people.
我是一跳，你是一跳，在这个星球上的每个人有一个六个人的踪迹。
By measuring the amount of starlight a planet blocks, astronomers can also calculate how big it is relative to the star.
通过测量星光金额行星块，天文学家还可以计算出它是相对于大明星。
The idea would be to stare at a distant star and report instances when its light had been bent by the gravity of a planet passing in front of it.
这一方法指的是将目光集中在恒星上，当行星从恒星前经过时产生的引力将会使光线弯曲，这时就会得到关于详细情况的报告。
Is the planet ruled by a race of warrior women who keep men for breeding purposes only?
这个星球是被一群为了繁育而饲养男人的女战士所统治的么？
If you can travel 36 light-years-roughly 212 trillion miles-to a new planet discovered by astronomers, you might just be in luck.
假如您能旅行36光年，或者大约212万亿英里，到天文学家发现的一棵新行星上去，您一定会走运的。
They were searching for Vulcan, a putative planet inside the orbit of Mercury, by looking for its transits.
他们通过寻找凌日来寻找水星轨道内的一个假定的行星伏尔甘。
But this year it is enlivened by a visit from the giant planet Jupiter, right on the border between Pisces and Aquarius.
但是今年却因巨大的行星—木星刚好从双鱼座和水瓶座之间经过而充满生气。
The moon, for instance, is believed to have formed from debris stirred up by a Mars-size object careening into our young planet.
的碰撞。例如月亮被认为形成于火星大小的星体急速撞向我们年轻的地球时产生的碎片。
The hole is 10 times the size of Earth's orbit around the Sun and probably caused by the planet clearing a space in the dust as it orbits the star.
这个洞是地球围绕太阳公转轨道的10倍大而且很可能是行星在围绕恒星公转时在尘埃中清理出来的空间。
We live to see the triumph of Leverrier's being able to discover with his mental eye, by means of computation only, a planet at a distance of millions of miles from him.
我们有幸亲历了勒维烈的成功，他仅仅通过计算，就发现了距离数百亿英里之外的星球，凭的是智慧和探索精神。
When you see a planet by a transit, the orbit has to be in your line of sight.
当你通过经纬仪看到行星，其轨道应该在你的视线中。
From the sun to the planet, it is swept out by the line at a constant rate.
太阳和行星的连线以相等的速率扫过面积。
One could envision a nearby planet colonized by a network of Superdome villages, each producing its own food, water, air, people, and culture.
你可以想象一下，一个近邻的星球聚居着无数带有超大圆顶的村庄。每一个村庄都可以为自己生产食物、水、空气、人以及文化。
A good deal is defined by what is good for the planet.
好协议的定义就是对地球有益。
In his novel "dune", Frank Herbert imagined a planet covered largely by sand dunes.
在小说《沙丘》中，作者FrankHerbert设想了一个主要被沙丘覆盖的星球。
This is the first announcement of a candidate Earth-size planet by the Kepler mission, which in March 2009 launched a one-ton spacecraft to search for planets like ours that just might harbor life.
这是开普勒团队首次宣称的地球大小的行星候选星，在2009年3月，开普勒团队曾发射一艘一吨重的宇宙飞船去寻找像地球一样可能存在生命的行星。
If you can travel 36 light-years - roughly 212 trillion miles - to a new planet discovered by astronomers, you might just be in luck.
假如您能旅行36光年，或者大约212万亿英里，到天文学家发现的一棵新行星上去，您一定会走运的。
The catastrophe was caused by a disintegrating comet and saw the planet sprayed by thousands of frozen boulders made of ice and dust.
这次飞来横祸是由一颗彗星瓦解造成的，同时地球完全被无数由冰和尘埃组成的冰石所覆盖。
The catastrophe was caused by a disintegrating comet and saw the planet sprayed by thousands of frozen boulders made of ice and dust.
这次飞来横祸是由一颗彗星瓦解造成的，同时地球完全被无数由冰和尘埃组成的冰石所覆盖。
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