标签：宇宙是平的 相关文章

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(69) / 评论(0) 分类 万物简史

万物简史 第9期:如何营造一个宇宙(1)

Part I Lost in the cosmos 第一章 如何营造一个宇宙 They're all in the same plane.They're all going around in the same direction. . . . 它们都处于同一平面。 它们都在沿同一方向转动...... It's perfect,you know. It's gorgeo

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

与美国小学生一起学英文第10册 第5期:宇宙大爆炸

The Big Bang 宇宙大爆炸 Do you know about the Big Bang? 你了解宇宙大爆炸吗？ The Big Bang was the beginning of the universe. 宇宙大爆炸是宇宙的开端。 The Big Bang happened at least 13.73 billion years ago. 它至少发生在一

发表于:2019-01-10 / 阅读(120) / 评论(0) 分类 与美国小学生一起学英文第10册

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(67) / 评论(0) 分类 万物简史

万物简史 第17期:如何营造一个宇宙(9)

The eventual result was the inflation theory, which holds that a fraction of a moment after the dawn of creation, the universe underwent a sudden dramatic expansion. It inflatedin effect ran away with itself, doubling in size every 10-34seconds. The

发表于:2019-01-29 / 阅读(61) / 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(49) / 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(67) / 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(50) / 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(68) / 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(44) / 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(127) / 评论(0) 分类 经济学人科技系列

宇宙探秘：时间与空间源于大爆炸

视频介绍：《How the Universe Works》是一部迷你系列剧。最初从2010年4月25日到5月24日在探索频道播放。由Mike Rowe讲述。本剧共有8集：Big Bang, Black Holes, Alien Galaxies, Stars, Supernovas, Planets, Solar System

发表于:2019-02-05 / 阅读(59) / 评论(0) 分类 英语万花筒

经济学人185:天文学 宇宙中的摇滚乐

Science and technology 科学技术 Astronomy 天文学 The cosmic boogie-box 宇宙中的摇滚乐 The sky, it seems, is filled with unexpected radio signals 看上去，太空中充满了我们意想不到的无线电讯号 WHISPER it not, but doin

发表于:2019-02-06 / 阅读(59) / 评论(0) 分类 经济学人科技系列

TED演讲:宇宙有中心吗(2)

Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久，在十六世纪80年代，意大利修道士焦尔达诺布鲁诺提出， suggested the stars were suns that likely had their own planets and that the

发表于:2019-02-13 / 阅读(72) / 评论(0) 分类 TED演讲教育篇

TED演讲视频:遥远的时间与多元宇宙的迹象

讲师： 肖恩卡罗尔 字幕：中英双文 授课语言：英文 在TEDx加州理工学院，宇宙学家肖恩卡罗尔把我们带入一段娱乐性强且发人深省的，穿梭于时间与宇宙之间的旅程，目的是探究一个貌似简单

发表于:2019-02-14 / 阅读(65) / 评论(0) 分类 TED演讲视频集

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(58) / 评论(0) 分类 万物简史

万物简史 第183期:爱因斯坦的宇宙(26)

We now know that Cepheids throb as they do because they are elderly stars that have moved past their main sequence phase, in the parlance of astronomers, and become red giants. The chemistry of red giants is a little weighty for our purposes here (it

发表于:2019-02-17 / 阅读(51) / 评论(0) 分类 万物简史

经济学人512:宇宙学 揭秘宇宙的起源

Leaders 社论 Cosmology 宇宙学 Man suddenly sees the start of the universe 揭秘宇宙的起源 The quest to understand reality takes a great leap backwards 科学新突破探索宇宙诞生之初的真相 IN THE beginning was the word and the w

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 经济学人综合

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(110) / 评论(0) 分类 万物简史

万物简史 第185期:爱因斯坦的宇宙(28)

This was truly startling. The universe was expanding, swiftly and evenly in all directions. It didn't take a huge amount of imagination to read backwards from this and realize that it must therefore have started from some central point. Far from bein

发表于:2019-03-10 / 阅读(129) / 评论(0) 分类 万物简史
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