标签：宇宙新领域 相关文章
Sophies World [00:00.86]苏菲的世界 [00:01.72]Sophie Amonson was on her way home from school. [00:03.49]苏菲爱默生正在她放学回家的路上。 [00:05.25]It was early May. In some of the gardens the fruit trees were encircled with dense
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Space Mysteries 太空搜密 by Kevin Lustig The universe is a big place. In all of that space, humans have discovered many things that both fascinate and mystify us. Tune in to the National Geographic Channel this month to learn about some intriguin
常春藤解析英语
There is of course a great deal we don't know, and much of what we think we know we haven't known, or thought we've known, for long. Even the notion of the Big Bang is quite a recent one. 当然，有大量的事情我们不知道，还有大量的事情
万物简史
If you needed to illustrate the idea of nineteenth-century America as a land of opportunity, you could hardly improve on the life of Albert Michelson. 如果你需要说明19世纪的美国是个机会之乡的理念，那么你很难再找到像阿尔
万物简史
Gibbs is perhaps the most brilliant person that most people have never heard of. Modest to the point of near invisibility, he passed virtually the whole of his life, apart from three years spent studying in Europe, within a three-block area bounded b
万物简史
Supernovae are significant to us in one other decidedly central way. Without them we wouldn't be here. You will recall the cosmological conundrum with which we ended the first chapterthat the Big Bang created lots of light gases but no heavy elements
万物简史
The question that naturally occurs is What would it be like if a star exploded nearby? Our nearest stellar neighbor, as we have seen, is Alpha Centauri, 4.3 light-years away. I had imagined that if there were an explosion there we would have 4.3 year
万物简史
There's something satisfying, I think, Evans said, about the idea of light traveling for millions of years through space and just at the right moment as it reaches Earth someone looks at the right bit of sky and sees it. It just seems right that an e
万物简史
Looking for supernovae is mostly a matter of not finding them. From 1980 to 1996 he averaged two discoveries a yearnot a huge payoff for hundreds of nights of peering and peering. Once he found three in fifteen days, but another time he went three ye
万物简史
So that's your solar system. And what else is out there, beyond the solar system? Well, nothing and a great deal, depending on how you look at it. 这就是你所在的太阳系。太阳系之外还有别的什么？哎呀，也许什么也没有，也
万物简史
conventional a. 普通的,常见的;习惯的,习俗的 conversion n. 转变,转换 convert v. 转变,转换(也可指宗教信仰上的转变) convey v. 运送;传播(思想) convict v.定罪 n. 囚犯
英文语法词汇
Stephen Hawking may belauded as one of the most brilliant people living today, but can he make sense of Zayn Malik's decision to leave British boy band One Direction? Yes, yes he can. 史蒂芬霍金也许能被誉为现今在世最杰出的人之一，
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【原文】 Black HolesWhat is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region
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This would mean that the universe was only half the size and age that Sandage believedten billion years. Matters took a further lurch into uncertainty when in 1994 a team from the Carnegie Observatories in California, using measures from the Hubble s
万物简史
His famous equation, E =mc 2 , did not appear with the paper, but came in a brief supplement that followed a few months later. As you will recall from school days, E in the equation stands for energy, m for mass, and c 2 for the speed of light square
万物简史
Physicists as a rule are not overattentive to the pronouncements of Swiss patent office clerks, and so, despite the abundance of useful tidings, Einsteins papers attracted little notice. Having just solved several of the deepest mysteries of the univ
万物简史
The most challenging and nonintuitive of all the concepts in the general theory of relativity is the idea that time is part of space. Our instinct is to regard time as eternal, absolute, immutablenothing can disturb its steady tick. In fact, accordin
万物简史
China's first astronaut says he heard mysterious knocks during his first flight in space - but no one has been able to explain the cause of them. 中国第一名宇航员称其第一次宇宙飞行时听到神秘的敲击声，但没有人能解释原因
英语美文
本期内容： You are not in charge of the universe, you are in charge of yourself 你并不掌管整个宇宙，但你得掌管你自己 首先，我们来学习一个单词 charge C-H-A-R-G-E 做名词是费用，主管，责任的意思 比如 a
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本期内容： Something is happening out there, and astronomers sure wish they knew what it was. For the last several years, they have been teased and baffled by mysterious bursts of radio waves from the distant universe: pops of low-frequency radi
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