天文学家们发现了一个遥远的星系。
天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
首先，天文学家要寻找一颗恒星。
一天，村子里来了一个天文学家。
粒子物理学家和天文学家经常合作。
有人把如今的争议归因于天文学家。
Some blame for the current controversy belongs to astronomers.
我的理想是当一个天文学家。
她是来协助帮助完成这个项目的天文学家。
现在天文学家认为那是一颗在高空燃烧的流星。
Now astronomers think it was a meteor that burned up high in the atmosphere.
天文学家最终确实发现了太阳黑子与磁场的关系。
Astronomers did eventually figure out what sunspots had to do with magnetic fields.
天文学家很高兴知道他们对于月球的假设是正确的。
Astronomers were glad to know that their suppositions about the moon were correct.
最值得同情的人是法国天文学家吉尧姆·勒根蒂尔。
The person who deserves most sympathy is the French astronomer Guillaume Le Gentil.
当天文学家发现了这颗恒星，他们就会观察它周围的行星。
When astronomers have found the star, they look at the planets around it.
知道了地球轨道的宽度，视差偏移可以让天文学家计算距离。
Knowing the width of Earth's orbit, the parallax shift lets astronomers calculate the distance.
近年来，天文学家已经发现了近400颗新的有行星的恒星。
In recent years, astronomers have found nearly 400 new planets with stars.
但是天文学家辛苦分析这些观测金星凌日的探险活动的结果。
But astronomers laboured hard to analyse the results of these expeditions to observe Venus transits.
后来一些天文学家提出，大气中的氨可能起到温室气体的作用。
Then some astronomers came up with the idea that atmospheric ammonia might have acted as a greenhouse gas.
经过多年的仔细研究，天文学家发现了一颗与地球相似的行星。
After many years of scrutinizing, astronomers have found a planet that is similar to the Earth.
现在，许多天文学家正在寻找新的行星和未来人类居住的新地方。
Now, many astronomers are looking for new planets and new places of humans to live in the future.
一万个小时后，你学到的知识足以让你成为一名天文学家或工程师。
In 10,000 hours you could have learned enough to become an astronomer or engineer.
他们的天文学家发现，在一年中的某个时候，最亮的天狼星会消失。
Their astronomers had discovered that at a certain time of year the brightest star, Sirius, would disappear.
如果人们知道你是个天文学家，他们会很快向你询问关于这件事的一切。
If people know you're an astronomer, they will soon be asking you all about the thing.
这是望远镜出现前欧洲天文学家的想法，这就说到了我们的老朋友伽利略。
This was the thinking of European astronomers until the introduction of the telescope, which brings us to our old friend, Galileo.
计算这个角度可以让天文学家测量地球到太阳的距离，这是当时的终极目标。
Calculating this angle would allow astronomers to measure what was then the ultimate goal: the distance of the Earth from the Sun.
许多天文学家使用射电望远镜进行太空实验，这些望远镜在白天也同样有效。
Many astronomers use radio telescopes for space experiments, which work just as well during the daylight hours.
当时，美国天文学家西蒙·纽科姆教授带领一个团队前往南非观察这一事件。
On that occasion, the American astronomer Professor Simon Newcomb led a party to South Africa to observe the event.
天文学家必须从黑洞对周围可见天体的引力影响推断出不可见的黑洞的存在。
Astronomers must infer the existence of black holes, which are invisible, from their gravitational influence on the visible bodies surrounding them.
几个世纪以来，金星凌日吸引了探险家和天文学家们汇聚到地球的四个角落。
For centuries, transits of Venus have drawn explorers and astronomers alike to the four corners of the globe.
这项最新发现将帮助天文学家在寻找外星生命过程中辨别两种来源不同的甲烷。
The latest research will help astronomers distinguish between the two sources of methane in their search for extraterrestrial life.
一个陌生人在得知我是一个天文学家后，说道：“哦，我是双子座的，你呢？”
A stranger, upon learning I was an astronomer, said, "Oh, I'm a Gemini, what are you?"
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