标签:宇宙新领域 相关文章
The universe is a big place. I dont think anyone can understand just how big. The universe never, ever ends. It is infinite in size. Its funny when scientists say they want to unlock the secrets of the universe. Thats impossible. There are way too ma
Short Conversation接受绩效评估 A:This is your annual performance review.You did a good job for the first year. B:Thank you,sir.I tried my best. A:You demonstrated your ability to manage all accounts very well by responding to the clients prom
The bad news is that atoms are fickle and their time of devotion is fleeting-fleeting indeed. 原子很脆弱,它们的献身时刻倏忽而过--简直是倏忽而过,这是个坏消息。 Even a long human life adds up to only about 650,000 hour
Galaxy 星系 Can you believe that there are at least 100 billion galaxies in the universe? Yes, there are. 你相信宇宙中至少有1,000亿个星系吗?确实有。 Small galaxies have 10 billion stars and big galaxies have one trillion stars. 小
Heat 热量 Heat is one kind of energy. 热量是一种能量。 It makes things warm and hot. 它能使物体温暖火热。 You can't see heat. 你看不见热量。 But when you stand next to a hot oven, you can feel warm. 但当你站在一个热的
What Michelson and Morley did, without actually intending to, was undermine a longstanding belief in something called the luminiferous ether, 迈克尔逊和莫雷所做的实际上是在无意之中所做的破坏了长期以来人们对一种所谓光
The term supernova was coined in the 1930s by a memorably odd astrophysicist named Fritz Zwicky. Born in Bulgaria and raised in Switzerland, Zwicky came to the California Institute of Technology in the 1920s and there at once distinguished himself by
For a long time the Big Bang theory had one gaping hole that troubled a lot of peoplenamely that it couldn't begin to explain how we got here. Although 98 percent of all the matter that exists was created with the Big Bang, that matter consisted excl
101. confine vt.限制, 禁闭 n.界限, 边界 102. frame n.结构, 体格帧,画面,框架 vt.构成, 设计, 制定, 使适合, 陷害 vi.英方有成功希望 n.帧,画面,框架 103. geophysical
讲解 Todays key word is Musk Musk 麝香 Musk is a substance with a strong smell which is used in making perfume. Here is an example: Musk is used for perfumes and stimulant(兴奋剂). 麝香可以用作香料和兴奋剂。 今天我们要说的这
What is the cosmological effect of singer Zayn Malik leaving the best-selling boy band One Direction and consequently disappointing millions of teenage girls around the world? 歌手泽恩马利克退出热门的单向男孩乐队,进而导致数以百
So here's a great puzzle: in a universe ruled by the second law of thermodynamics, 所以,这就是个大谜团:在宇宙中,在被热力学第二定律规范下, how is it possible to generate the sort of complexity I've described, 怎么样才
And this is how it works. Gravity is more powerful where there's more stuff. 这就是它怎么运作的。重力场的作用力更大,拥有比较多的物质。 So where you get slightly denser areas, gravity starts compacting clouds of hydrogen
Let's begin by winding the timeline back 13.7 billion years, to the beginning of time. 让我们把时间往回拨到137亿年前,也就是时间的开始。 Around us, there's nothing. There's not even time or space. 四周是什么也没有,根本
Particle physics, in short, is a hugely expensive enterprisebut it is a productive one. Today the particle count is well over 150, with a further 100 or so suspected, but unfortunately, in the words of Richard Feynman, it is very difficult to underst
Hubble realized that this could be expressed with a simple equation, Ho = v/d (where Ho is the constant, v is the recessional velocity of a flying galaxy, andd its distance away from us). Ho has been known ever since as the Hubble constant and the wh
In 1907, or so it has sometimes been written, Albert Einstein saw a workman fall off a roof and began to think about gravity. 1907年,反正有时候书上是这么写的,有个工人从房顶上掉了下来,爱因斯坦就开始考虑引力的问
Howeverand heres the thingpeople on the train would have no sense of these distortions. 然而问题就在这里车上的人并不觉得自己变了形。 To them, everything on the train would seem quite normal. 在他们看来,车上的一切似乎
From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. I'm June Simms. Our program today is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. If you can read a clock, you can know the time
ugly a.丑陋的;可怕的 unbearable a.难堪的,忍受不了的 uncertain a.无常的;不确定的 uncomfortable a.不舒服的;不自在的 unconscious a.不省人事的 uncover vt.揭开…的