【轻松英文阅读】宇宙中的灾难

While you were going about your day on February 24th of this year, the sun was ejecting a massive jet of particles into space. This phenomenon is known as a CME, a coronal mass ejection and they often come after a solar flare. Luckily for us on earth

与美国小学生一起学英文第8册 第9期:伽利略

Galileo Galilei 伽利略伽利莱 Will you believe it when someone says the Earth is the center of the universe and it does not move at all? 如果有人和你说地球是宇宙的中心，它不会转动，你会相信吗？ Of course, you won't. 你

TED演讲:从遥远的星系中我们可以学到什么(2)

And many of the questions that we might have about the universe at large scales, 我们关于宇宙在宏观上有很多问题， such as, how does gravity work? 比如，引力是怎么起作用的？ might be answered by studying these systems. 这些

万物简史 第158期:爱因斯坦的宇宙(1)

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

万物简史 第168期:爱因斯坦的宇宙(11)

At the same time he had fallen in love with a fellow student, a Hungarian named Mileva Maric. In 1901 they had a child out of wedlock, a daughter, who was discreetly put up for adoption. Einstein never saw his child. Two years later, he and Maric wer

万物简史 第166期:爱因斯坦的宇宙(9)

But the landmark eventthe dawn of a new agecame in 1905, when there appeared in the German physics journal Annalen der Physik a series of papers by a young Swiss bureaucrat who had no university affiliation, no access to a laboratory, and the regular

万物简史 第165期:爱因斯坦的宇宙(8)

Remarkably, and despite his findings, when the twentieth century dawned Michelson counted himself among those who believed that the work of science was nearly at an end, with only a few turrets and pinnacles to be added, a few roof bosses to be carve

万物简史 第161期:爱因斯坦的宇宙(4)

Undauntedwell, perhaps mildly dauntedPlanck turned to other matters. 普朗克没有泄气哎呀，也许稍稍有点胆怯，开始把注意力转向别的问题。 Planck was often unlucky in life. 生活中，普朗克屡遭不幸， His beloved f

万物简史 第159期:爱因斯坦的宇宙(2)

In 1875, when a young German in Kiel named Max Planck was deciding whether to devote his life to mathematics or to physics, he was urged most heartily not to choose physics because the breakthroughs had all been made there. The coming century, he was

万物简史 第48期:埃文斯牧师的宇宙(12)

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 第47期:埃文斯牧师的宇宙(11)

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 第46期:埃文斯牧师的宇宙(10)

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 第32期:走进太阳系(10)

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

万物简史 第34期:走进太阳系(12)

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 第36期:走进太阳系(14)

What an interesting and exciting thought. We may be only one of millions of advanced civilizations. Unfortunately, space being spacious, the average distance between any two of these civilizations is reckoned to be at least two hundred light-years, w

万物简史 第44期:埃文斯牧师的宇宙(8)

Surprisingly little of the universe is visible to us when we incline our heads to the sky. Only about 6,000 stars are visible to the naked eye from Earth, and only about 2,000 can be seen from any one spot. With binoculars the number of stars you can

万物简史 第37期:埃文斯牧师的宇宙(1)

3 THE REVEREND EVANS'S UNIVERSE 3.埃文斯牧师的宇宙 When the skies are clear and the Moon is not too bright, the Reverend Robert Evans, a quiet and cheerful man, lugs a bulky telescope onto the back deck of his home in the Blue Mountains of Au

万物简史 第170期:爱因斯坦的宇宙(13)

You may not feel outstandingly robust, but if you are an average-sized adult you will contain within your modest frame no less than 7 x 10 18 joules of potential energyenough to explode with the force of thirty very large hydrogen bombs, assuming you

万物简史 第174期:爱因斯坦的宇宙(17)

When a journalist asked the British astronomer Sir Arthur Eddington 有一位记者问英国天文学家阿瑟爱丁顿， if it was true that he was one of only three people in the world who could understand Einsteins relativity theories, 他是不是

万物简史 第179期:爱因斯坦的宇宙(22)

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