标签：远古宇宙的光 相关文章

1-13 国际太空站——人类的宇宙之家

Home in Space -- The International Space Station In 1984 the U.S. National Aeronautics and Space Administration (NASA) announced a new program to establish a permanent space station, called Freedom. I

发表于:2018-12-05 / 阅读(204) / 评论(0) 分类 英语沙龙2004全年合辑上

英文书摘精选 宇宙的颜色

The Color Of The Universe 宇宙的颜色 When we look up into the night sky it seems black, but scientists have observed something different. In this Moment of Science we discuss the color of the universe. 当我们仰望夜空的时候，它看上去

发表于:2018-12-28 / 阅读(93) / 评论(0) 分类 初学者听力文摘精选

万物简史 第15期:如何营造一个宇宙(7)

Although everyone calls it the Big Bang, many books caution us not to think of it as an explosion in the conventional sense. It was, rather, a vast, sudden expansion on a whopping scale. So what caused it? 虽然人人都称其为大爆炸，但许多书

发表于:2019-01-01 / 阅读(71) / 评论(0) 分类 万物简史

万物简史 第10期:如何营造一个宇宙(2)

In either case, get ready for a really big bang. 无论哪种情况，准备好来一次真正的大爆炸。 Naturally, you will wish to retire to a safe place to observe the spectacle. 很自然，你希望退避到一个安全的地方来观察这个

发表于:2019-01-01 / 阅读(55) / 评论(0) 分类 万物简史

"哈勃"望远镜带来的宇宙奇观

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发表于:2019-01-02 / 阅读(275) / 评论(0) 分类 科技之光

英语听力：自然百科 宇宙新领域 鲁特西亚真容曝光

Scientists are likening the new images from a large asteroid to discovery of a new world. Asteroid 21 Lutetia is located between Jupiter and Mars and the European Space Agency's probe Rosetta passed within about 2,000 miles of it, its onboard camera

发表于:2019-01-22 / 阅读(53) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-2

Are we alone ?And it ties into all the big questions: how do we get here ? where are we going ?Are we a part of a bigger picture? But for the longest time ,the question was taboo to science . Before the Mid-1990s ,it was considered somewhat embarassi

发表于:2019-01-22 / 阅读(69) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-4

Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, allowing the atoms and molecules to come together, and also may form the building blocks of life. All

发表于:2019-01-22 / 阅读(59) / 评论(0) 分类 自然百科2010年

万物简史 第51期:埃文斯牧师的宇宙(15)

It was he who coined the term Big Bang, in a moment of facetiousness, for a radio broadcast in 1952. He pointed out that nothing in our understanding of physics could account for why everything, gathered to a point, would suddenly and dramatically be

发表于:2019-01-29 / 阅读(59) / 评论(0) 分类 万物简史

万物简史 第49期:埃文斯牧师的宇宙(13)

The reason we can be reasonably confident that such an event won't happen in our corner of the galaxy, Thorstensen said, is that it takes a particular kind of star to make a supernova in the first place. 索尔斯坦森说，有理由相信，这种事

发表于:2019-01-29 / 阅读(90) / 评论(0) 分类 万物简史

万物简史 第43期:埃文斯牧师的宇宙(7)

Interestingly, Zwicky had almost no understanding of why any of this would happen. According to Thorne, he did not understand the laws of physics well enough to be able to substantiate his ideas. Zwicky's talent was for big ideas. OthersBaade mostlyw

发表于:2019-01-29 / 阅读(72) / 评论(0) 分类 万物简史

万物简史 第18期:如何营造一个宇宙(10)

What is extraordinary from our point of view is how well it turned out for us. If the universe had formed just a tiny bit differentlyif gravity were fractionally stronger or weaker, if the expansion had proceeded just a little more slowly or swiftlyt

发表于:2019-01-29 / 阅读(53) / 评论(0) 分类 万物简史

万物简史 第19期:如何营造一个宇宙(11)

Martin Rees, Britain's astronomer royal, believes that there are many universes, possibly an infinite number, each with different attributes, in different combinations, and that we simply live in one that combines things in the way that allows us to

发表于:2019-01-29 / 阅读(69) / 评论(0) 分类 万物简史

万物简史 第20期:如何营造一个宇宙(12)

I should say that everything is just right so far. In the long term, gravity may turn out to be a little too strong, and one day it may halt the expansion of the universe and bring it collapsing in upon itself, till it crushes itself down into anothe

发表于:2019-01-29 / 阅读(51) / 评论(0) 分类 万物简史

万物简史 第21期:如何营造一个宇宙(13)

The analogy that is usually given for explaining the curvature of space is to try to imagine someone from a universe of flat surfaces, who had never seen a sphere, being brought to Earth. No matter how far he roamed across the planet's surface, he wo

发表于:2019-01-29 / 阅读(72) / 评论(0) 分类 万物简史

经济学人255:桌面上的天体物理学 怎样构建多元宇宙

Science and technology 科学技术 Table-top astrophysics 桌面上的天体物理学 How to build a multiverse 怎样构建多元宇宙 Small models of cosmic phenomena are shedding light on the real thing 微小模型逐步揭开宇宙中各种现象

发表于:2019-02-02 / 阅读(45) / 评论(0) 分类 经济学人科技系列

经济学人295:桌面上的天体物理学 怎样建立一个多元宇宙

Science and technology 科学技术 Table-top astrophysics 桌面上的天体物理学 How to build a multiverse 怎样建立一个多元宇宙 Small models of cosmic phenomena are shedding light on the real thing 宇宙现象的一些小模型反映了

发表于:2019-02-02 / 阅读(128) / 评论(0) 分类 经济学人科技系列

万物简史 第177期:爱因斯坦的宇宙(20)

Every object that has mass creates a little depression in the fabric of the cosmos. 凡有质量的物体在宇宙的底垫上都能造成一个小小的凹坑。 Thus the universe, as Dennis Overbye has put it, is the ultimate sagging mattress. 因此

发表于:2019-02-17 / 阅读(61) / 评论(0) 分类 万物简史

万物简史 第184期:爱因斯坦的宇宙(27)

Combining Leavitt's cosmic yardstick with Vesto Slipher's handy red shifts, Edwin Hubble now began to measure selected points in space with a fresh eye. In 1923 he showed that a puff of distant gossamer in the Andromeda constellation known as M31 was

发表于:2019-02-25 / 阅读(112) / 评论(0) 分类 万物简史

英语听力文摘 English Digest 244、光呼吸作用之谜

The Mystery of Photorespiration 光呼吸作用之谜 光呼吸作用-Photorespiration是所有行光合作用的细胞（该处细胞包括原核生物和真核生物，但并非所有这些细胞都能运行完整的光呼吸）在光照和高氧低二

发表于:2019-03-09 / 阅读(113) / 评论(0) 分类 英语听力文摘 English Digest
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