标签:Cosmos 相关文章
[00:00.63]Shall We Choose Death? [00:04.25]I am speaking not as a Briton, not as a European, [00:09.71] not as a member of a western democracy, [00:12.56]but as a human being, a member of the species Man, [00:17.48]whose continued existence is in dou
Today I'm going to talk about work. And the question I want to ask and answer is this: Why do we work? Why do we drag ourselves out of bed every morning instead of living our lives just filled with bouncing from one TED-like adventure to another? You
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
We wanna talk about what we have been talking about for the last couple of months, it seems it is all coming together today, 19 protestors already have been arrested at the Notre Dame campus, and this comes hours before the president even arrives, t
President Obama wants to consolidate six different government agencies that deal with trade and commerce into one. NPR's Scott Horsley reports it's part of a broader streamlining effort for which Mr. Obama is seeking a congressional green light. Pres
Hawking: Humans Will Not Survive Another 1,000 Years Without Escaping Earth Stephen Hawking, who spent his career decoding the universe and even experienced weightlessness, is urging the continuation of space exploration for humanitys sake. 史蒂芬
托福阅读文章常见题材思路及词汇 TOEFL阅读有一些常见高频题材,这些题材下面会有经常考到的固定词汇和思路,整理出来供大家分享。 生物类: 迁徙动物migrate 群居动物 social animal 独居动物
Hello, This is Richard, And finally Ive managed to coax Astropup into barking up the conclusion to our mini-series about his adventure in space with Marlow. If you have a good memory, you will recall that Astropup and Marlow have been captured by a s
Discover Yourself Ever since the accelerated development of human civilization, perpetual scientific discoveries of nature had accompanied mankind all along the journey. It was by discovering the world around us that human beings have been able to le
JUDY WOODRUFF: But, first, this week marks the 100th anniversary of the publication of Albert Einstein's greatest work, a series of papers laying out the general theory of relativity. Gwen has a look at how it changed our understanding of the cosmos
Of course we have no prospect of such a journey. A trip of 240,000 miles to the Moon still represents a very big undertaking for us. A manned mission to Mars, called for by the first President Bush in a moment of passing giddiness, was quietly droppe
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
So if Pluto really is a planet, it is certainly an odd one. It is very tiny: just one-quarter of 1 percent as massive as Earth. If you set it down on top of the United States, it would cover not quite half the lower forty-eight states. 因此,如果冥
Tombaugh had no formal training as an astronomer, but he was diligent and he was astute, and after a year's patient searching he somehow spotted Pluto, a faint point of light in a glittery firmament. 汤博没有受过成为天文学家的专门训练,
Diwali symbolizes the victory of light over darkness. Celebrated joyously all over the country, it is a festival of wealth and prosperity. The essence of this light is Shri Lakshmi-arising, at the beginning of time, out of the waters at the churning
A United States presidential commission investigating last year's catastrophic oil spill in the Gulf of Mexico has recommended a series of wide-ranging reforms. In its final report, the commission calls for the creation of an independent safety agenc
Ten years ago, I wrote a book which I entitled Our Final Century? Question mark. My publishers cut out the question mark. (Laughter) The American publishers changed our title to Our Final Hour. Americans like instant gratification and the reverse. (L
Slipher was the first to notice this effect with light and to realize its potential importance for understanding the motions of the cosmos. Unfortunately no one much noticed him. The Lowell Observatory, as you will recall, was a bit of an oddity than
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