美国国家电台 NPR 2012-09-22

Mitt Romney's campaign says it's making good on its promise to release the GOP candidate's 2011 federal taxes today. The couple's returns were to have been posted online at the top of this hour. The campaign says Romney and his wife Anne paid an effe

英语PK台 第459期:春风十里,不如读诗给你

Sonnet 98 十四行诗 98 Author：William Shakespeare 作者：威廉莎士比亚 （英国） From you have I been absent in the spring, 我离开你的时候正好是春天， When proud pied April dress'd in all his trim 当绚烂的四月，披上

名人励志英语演讲 第45期:我们选择登月(6)

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we

Business Channel 2006-12-11&13

Let's start with the General Motors, because it looks like GM is looking to spiff up its car-line by importing one of its most popular European models to this side of the Atlantic. Beginning in the th

5-2 护身符和象征：颜色

Charms and Symbols Color Color Colors can influence more than your mood. Each color has a special significance in attracting, or repelling 1 , the power of the planets. Black Saturn 2 is attracted by

英语听力文摘 English Digest 625、外星球上有生命吗？

Is There Life On Other Planets? Weve all been hearing about ongoing Mars exploration, and how water probably used to be abundant there. And a water spewing volcano was recently discovered on a small moon orbiting Saturn. Water is one sign that life m

60秒科学:Fog Found on Saturn's Moon Titan

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

太阳系其他星球水资源远胜地球 木星水量最大

在太空放眼望去，地球这颗美丽的蓝色星球似乎在太阳系拥有得天独厚的优势，尤其是覆盖地表的大片大片的海洋资源，但事实上，据科学家研究发现，木星才是水资源最丰富的星球，相比太

TED演讲:可能存在生命的三颗卫星和一颗行星(5)

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

TED演讲:可能存在生命的三颗卫星和一颗行星(7)

Another moon that we're looking at is Titan. 我们在研究的另一个卫星是土卫六。 Titan is a huge moon of Saturn. 土卫六是土星的一个非常大的卫星。 It perhaps is much larger than the planet Mercury. It has an extensive atmo

英语听力：自然百科 行星旅行：土星 Saturn—13

Planet earth never attempted to land on such a distant world before. With Huygens probe on final approach to Titan, operations switch to European mission control. The probe hurtled into Titans atmosphere at 6km a second, the atmosphere would have bee

英语听力：探索发现 科学新发现：我们的大气层-6

In contrast, Jupiter and Saturn are all atmosphere. Unlike Earth, Jupiter doesnt really have a solid surface that you could stand on and then have your head up in the atmosphere looking at the clouds. Its just a giant, giant gas ball. Only one other

听一分钟英文：Planets-星球

How did all the planets get there? How is it only our planet has life? Will we ever travel to other planets? These are questions I often think about. I think our planet is the best. It looks so beautiful from space with its mixture of blue and green.

听一分钟英文：Solar System-太阳系

The Solar System is an amazing thing. I cant imagine just how big it is. I dont think anyone can. It all centres around our Sun. Our solar system has eight planets in it. When I was a kid I learnt there were nine planets, but some time ago, scientist

万物简史 第30期:走进太阳系(8)

Now the first thing you are likely to realize is that space is extremely well named and rather dismayingly uneventful. Our solar system may be the liveliest thing for trillions of miles, but all the visible stuff in itthe Sun, the planets and their m

万物简史 第29期:走进太阳系(7)

And how far is that exactly? It's almost beyond imagining. Space, you see, is just enormousjust enormous. Let's imagine, for purposes of edification and entertainment, that we are about to go on a journey by rocketship. We won't go terribly farjust t

雅思阅读词汇：火山爆发(四)

manganese n. 锰（元素符号为Mn） mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化；adj. 熔铸的 monitor n. 监视器，监控 mudflow n.[地] 泥流 Neptune n. [天]海王

夏说英语新闻晨读 第280期:卡西尼计划

本期内容： The American-led Cassini space mission to Saturn has just come to a spectacular end. Controllers had commanded the probe to destroy itself by plunging into the planet's atmosphere. It survived for just over a minute before being broke

经济学人183:小行星探测 黎明号初试锋芒

Science and technology 科学技术 Investigating the asteroids 小行星探测 Dawn's early light 黎明号初试锋芒 A mission to the asteroid belt will visit leftovers from the solar system's formation 小行星带探测任务将造访太阳系形

Researchers discover first planet orbiting two stars

WASHINGTON, Sept. 15 (Xinhua) -- A team of researchers has discovered a planet that orbits around a pair of stars, the U.S. space agency NASA announced Thursday. This is the first instance of astronomers finding direct evidence of a so-called circumb