标签：dwarf 相关文章
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用Mp3背六级单词
Here with your Tuesday edition of CNN Student News, I'm Carl Azuz. Got a lot of ground and water to cover today. We'll start with news involving a possible ISIS recruitment network. Federal prosecutors say that six men from Minneapolis, Minnesota tri
CNN美国有线新闻2015年4月
This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est
Scientific American(一)月
When you came into the world, she held you in her arms. You thanked her by shaking your fists and weeping your eyes out. When you were 3years old, she made all your meals with love. You thanked her by tossing your tray on her lap, crying for ice-crea
24篇魔术美文串记4级词汇
His name is Moby and for now this rehabilitation tank in Galveston is the stranded infant whale's only home and care-givers like Heidi Watts are his only family. Because he is so tiny and hasn't learned any survival skills for the wild, he unfortuna
万花筒2007年
曙光号飞船驶近谷神星 NASAs Dawn spacecraft is set to reach the dwarf planet Ceres in March and begin gathering clues about whether the icy body may have once had conditions conducive to supporting life. 美国航天（NASA）的曙光号（
VOA双语新闻 2015年1月
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80天攻克雅思核心词汇
16.The Future of Information Technology 16.信息技术的发展前景 But as we stand here today, the opening of CeBIT, we are on the threshold of a very important change in the evolution of this industry. In many ways, this industry, a very immatur
历史英雄名人演讲
Lannister studied his face. Yes, he said. I can see it. You have more of the north in you than your brothers. 嗯，兰尼斯特端详着他的脸，看得出来。跟你那些兄弟相比，你还比较有北方人的味道。 Half brothers, Jon cor
冰与火之歌系列之《权力的游戏》
Broadcast: May 27, 2004 Memorial Day weekend is almost here, and with it, the unofficial start of America's summer season. Traditionally, Memorial Day is the busiest day in the year for traveling carnivals with their trained animals, games of chance
词汇大师(Wordmaster)
Despite its enormous size the Airbus A380 still manages to look graceful. The double-decker plane which can carry more than 550 passengers dwarfs all other commercial aircraft. Later today a prototype will land for the first time in the UK. En route
英伦广角
US Officials Defend Surveillance of Allies The National Security Agency [NSA] is at the heart of allegations by the former contractor Edward Snowden that the United States has targeted some of its allies for surveillance. The German news magazine Der
VOA标准英语2013年(七月)
Astronomer's Hometown Celebrates Pluto Fly-by 天文学家家乡庆祝冥王星飞行器 STREATOR, ILLINOIS Astronomer Clyde Tombaugh, born in rural Illinois in 1906, discovered what became the ninth planet in our solar system Pluto. Today, NASAs New
VOA标准英语2015年(七月)
ROBERT SIEGEL, HOST: Remember John Hodgman, Daily Show expert on just about everything, co-star of the Apple Mac commercial campaign in which he played the clunky PC, cataloger of nonsensical histories in the three-book series called The Areas Of My
2017年NPR美国国家公共电台10月
DAVID GREENE, HOST: It is springtime. And in parched western states, a lot of people are watching closely as snows melt and the rivers rise. Now, satellites can monitor water levels in the biggest rivers, but they do not spot the smaller streams and
2018年NPR美国国家公共电台4月
This tiny companion to the bright Dog Star, was dubbed the pup. And by 1922, this new type of the star had an official classification. It was called a white dwarf. But naming it was the least of scientists problems. When they compared its size to its
探索与发现2015年
Once the fusion stops, the whole thing collapses under its own weight to form a white dwarf, so you got this very small blob which is incredibly dense, it's going to be something like a million times denser than it started off, so dense in fact that
探索与发现2015年
Thats why what we physicists called pressure. This pressure is created as the particles jostle for position. Its a principle of Quantum Mechanics and when it was applying to stars, the lives of dead white dwarfs suddenly made sense. What stopped them
探索与发现2015年
Some Habitable Zone Exoplanets May Get X-Rayed Out X射线可能照射到一些可居住外行星区域 As astronomers hunt for habitable, Earth-like worlds, one popular place to look is around M stars, a type of red dwarf. Couple reasons for that: 当
2018年科学美国人4月
In The Chronicles of Narnia: Prince Caspian, the four kids from the first movie, based on the series of novels by CS Lewis, are now fully licensed kings and queens of Narnia. They are still stuck in wartime London, trudging around a train station in
英语时差8，16