天文学家们发现了一个遥远的星系。
有人把如今的争议归因于天文学家。
Some blame for the current controversy belongs to astronomers.
粒子物理学家和天文学家经常合作。
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.
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.
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?"
除了传统的星系，宇宙中还有一些非常暗淡的星系，直到最近才被天文学家发现。
In addition to conventional galaxies, the universe contains very dim galaxies that until recently went unnoticed by astronomers.
天文学家试图通过估计太阳质量能产生多少必需的光来解释这些行星上的液态水。
Astronomers tried to estimate what solar mass could produce the required luminosity to explain liquid water on these planets.
因此，天文学家更喜欢水蒸气很少的干燥地点，而水蒸气通常出现在海拔较高处。
Astronomers therefore prefer dry sites with little water vapor, which is generally found at higher altitudes.
直到最近，大多数天文学家都认为我们宇宙中星系之间的空间是近乎完美的真空。
Until recently most astronomers believed that the space between the galaxies in our universe was a near-perfect vacuum.
大多数天文学家认为，星系中心的大量物质是一个黑洞，它的引力导致气体旋转。
Most astronomers believe that the large concentration of mass at the galaxy's center is a black hole whose gravity is causing the gas to whirl.
天文学家怀疑成对的行星也参与了这种弹弓活动，使它们处于不规则的椭圆轨道上。
Astronomers suspect that pairs of planets also engage in this slingshot activity, leaving them in disturbed, elliptical orbits.
这些碎片本身几乎不含硫，但天文学家相信，木星外层大气之下的云层中确实含有硫。
The fragments themselves almost certainly contained no sulfur, but astronomers believe that the cloud layer below Jupiter's outer atmosphere does contain sulfur.
“每个人都知道一个关于某人被抢先的可怕故事。”纽约大学天文学家大卫·豪格说。
"Everybody has a scary story about someone getting scooped," says New York University astronomer David Hogg.
天文学家已经发明出一种叫做自适应光学的技术，可以以自己的模糊方式突破大气层。
Astronomers have devised a technique called adaptive optics that can beat Earth atmosphere at its own game of blurring.
然而如果这颗行星处于很好的位置，天文学家会寻找三样关键的东西：水、空气和岩石。
However, if the planet is in a good position, astronomers look for three key things: water, air and rock.
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