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SSS 2010-04-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(97) / 评论(0) 分类 Scientific American(四)月

PBS高端访谈:横跨美国的日全食让天文学家疯狂

People gathered across the country for a historic event today, a total eclipse of the sun in a 70 mile- wide band, crossing from the Pacific to the Atlantic coasts. With special eyeglasses or homemade boxes, tens of millions looked to the sky to witn

发表于:2018-12-05 / 阅读(87) / 评论(0) 分类 PBS访谈环境系列

SSS 2008-06-23

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(六)月

SSS 2008-02-27

This is Scientific Americans 60-Second Science. I am Adam Hinterthuer. Got a minute? Earlier this month, NASA announced that an MIT Physics professor will lead a team of scientists on a new mission. The objective: build a giant radio telescope on the

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(二)月

美国英语听力80篇2 Lesson34

[00:05.62]34) Ancient Quasar [00:11.96]Astronomers have discovered what they say is one of the earliest known structures ever to form in the universe. [00:20.82]It is a star-like object called a quasar. [00:24.76]Quasars are very large. [00:27.69]The

发表于:2018-12-26 / 阅读(74) / 评论(0) 分类 美国英语听力80篇

有声英文阅读-黑洞

Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientist

发表于:2018-12-31 / 阅读(143) / 评论(0) 分类 有声英文阅读

小王子 第8期:B612小行星

I had thus learned a second fact of great importance: 我还了解到另一件重要的事， this was that the planet the little prince came from was scarcely any larger than a house! 就是他老家所在的那个星球比一座房子大不了多少。

发表于:2019-01-01 / 阅读(69) / 评论(0) 分类 小王子

精美英文欣赏:一个人何时变老

引言： 他一旦停止成长，他一旦对自己说我该懂的都懂了，这个时候他的青春也就完了。他可能在25岁时死去，也可能在75岁时死去，这都没有区别。就在那一天，他开始变老。 I dread to come

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 精美英文欣赏

SSS 2008-09-11

This is Scientific American's 60-Second Science. I'm Cynthia Graber .This will just take a minute. A year ago astronomers sent out an invitation. A robotic telescope called the Sloan Digital Sky Survey had produced almost a million images. Researcher

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(九)月

SSS 2008-07-17

This is Scientific American's 60-Second Science,I'm Steve Mirsky,got a minute? Our Milky Way galaxy produces only about 10 new stars annually. But a galaxy far, far away is experiencing a major baby boom. Its pumping out up to 4,000 new stars a year,

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(七)月

SSS 2008-03-10

This is Scientific Americans 60-Second Science. I'm Steve Mirsky. Got a minute? Astronomers have discovered a star thats running away from home. The star is speeding away at a blistering 2.6 million kilometers an hour, apparently after being cast out

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(三)月

SSS 2011-04-08

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When you hear about asteroids close to the Earth, you probably have visions of collisions and extinctions and a post apocalyptic future or of brave space c

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(四)月

SSS 2012-06-04

This is Scientific Americans 60 second science, I am John Matson. Were just hours away from the last transit of Venus until the year 2117. A transit is when a planet passes in front of the sun, revealing itself as a tiny black dot on the suns face. T

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(六)月

小兄弟威胁着地球(1)

Suns Hidden Twin Stalks Planet Earth 太阳隐藏着的小兄弟威胁着地球 [1] When the end of the world comes, we'll know what to blame. Scientists have found compelling evidence that the Sun ha

发表于:2019-01-26 / 阅读(132) / 评论(0) 分类 阅读空间

Farthest Supernova

47 天文学家发现一颗距离地球最远的超新星 DATE=5-9-01 TITLE=SCIENCE REPORT - Farthest Supernova BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(87) / 评论(0) 分类 科技之光

“三体”真实存在：科学家发现拥有三颗太阳的行星

Star Wars fans love Tatooine and its twin suns, but astronomers working with one of the worlds biggest telescopes have done Luke Skywalkers home planet one better. 《星球大战》中的塔图因星球（Tatooine，天行者家族的故乡行星）以

发表于:2019-02-01 / 阅读(76) / 评论(0) 分类 阅读空间

Magnetic Bubbles Detected at Edge of Solar System

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(121) / 评论(0) 分类 英语新闻

地球白天时间越来越长 670万年增加1分钟

Earth's days are getting longer but you're not likely to notice any time soon it would take about 6.7 million years to gain just one minute, according to a study published last Wednesday. 据上周三公布的一份报告显示，地球的白天时间正

发表于:2019-02-16 / 阅读(90) / 评论(0) 分类 英语新闻

科学家向外星文明发送维基百科

Wikipedia is becoming Wookiepedia as boffins hope the informative website will help us reach out to intelligent life forms. 维基百科（Wikipedia）真的要变身星战维基（Wookiepedia）了。加州研究人员希望这个百科式网站能帮

发表于:2019-02-18 / 阅读(78) / 评论(0) 分类 阅读空间

万物简史 第271期:砰!(6)

What Shoemaker and his colleagues found was that there was more risk out therea great deal morethan anyone had ever imagined. 苏梅克和他的同事们发现的是，外层空间存在着比想像的还要多多得多的危险。 Asteroids, as most

发表于:2019-02-25 / 阅读(109) / 评论(0) 分类 万物简史
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