标签：银河系的旅行 相关文章

美国科学60秒 SSS 2013-01-08

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

发表于:2018-12-02 / 阅读(72) / 评论(0) 分类 Scientific American(一)月

美联社新闻一分钟 AP 2012-11-23

1. Israel is intensifying its attacks on the Gaza Strip, despite truce talks. Meantime, Secretary of State Hillary Clinton is in the Middle East as the US urgently seeks an end to the conflict between Israel and Hamas. 2. In Florida, police say a 13-

发表于:2018-12-15 / 阅读(102) / 评论(0) 分类 美联社新闻一分钟2012(十一月)

双语趣听精彩世界 第63期:三星手机放在枕头下充电烧焦

雅虎新闻的一篇报道说,美国13岁女孩把正在充电的手机放在了枕头下面,熟睡中闻到了烧焦的味道. 三星手机 充电燃烧 Yahoo.com: Charging our devices as we sleep feels like a harmless routine. For one young Samsun

发表于:2019-01-01 / 阅读(61) / 评论(0) 分类 双语趣听精彩世界

Supermassive Black Holes 超大质量黑洞 - 11

Those stars don't feel the black hole. They feel the rest of the stars in the galaxy. They don't know or care that the black hole is there. If you took the black hole away from the galaxy, they would

发表于:2019-01-02 / 阅读(338) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 10

If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect

发表于:2019-01-02 / 阅读(365) / 评论(0) 分类 超大质量黑洞

清新英文歌曲:一见钟情 如梦初醒：Free Energy - Bang Pop

Free Energy是来自美国费城的5人独立乐队，他们的音乐风格自由随性，曾被滚石音乐杂志评选为2010年最佳新生乐队之一。这首Bang Pop活泼欢快，挺适合当闹钟铃声的说~bang~pop~一早醒来精神振奋

发表于:2019-01-03 / 阅读(50) / 评论(0) 分类 夏日清新英文歌曲

舞曲狂欢：一见钟情 如梦初醒 Free Energy - Bang Pop

Free Energy是来自美国费城的5人独立乐队，他们的音乐风格自由随性，曾被滚石音乐杂志评选为2010年最佳新生乐队之一。 Now I was super messed up Like it would never end Floatin over the black top Without a singl

发表于:2019-01-11 / 阅读(58) / 评论(0) 分类 舞曲狂欢

VOA标准英语2010-Website of the Week - Wikisky

Time again for our Website of the Week, when we showcase interesting and innovative online destinations. If you've ever been to a planetarium, you know what it's like to look at stars and planets while an expert guide explains what you're looking at.

发表于:2019-01-13 / 阅读(74) / 评论(0) 分类 VOA标准英语2010年(四)月

纯正地道美语 第91期(外教讲解):Aliens

The Weekend - Aliens! (C0091) A: Oh honey, this is so romantic! I have never seen so many stars before! Its beautiful! B: See that constellation there? Thats Orion! And the very bright star? Well, its not a star since it doesnt blink. Thats actually

发表于:2019-01-21 / 阅读(68) / 评论(0) 分类 纯正地道美语

2015-04-17 BBC:星光七纪元-26

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

发表于:2019-01-23 / 阅读(101) / 评论(0) 分类 探索与发现2015年

2015-04-24 BBC:星光七纪元-28

And takes dedication perseverance and a love of the thrill of the chase, not just any kind of astronomer but a supernovae hunter, and one with perfect timing.You know usually nothing much happens in astronomy, stars live for millions or billions of y

发表于:2019-01-23 / 阅读(676) / 评论(0) 分类 探索与发现2015年

2015-06-03 BBC:星光七纪元-39

It remains to some extent a theory, but Doug has got as close as anyone to actually seeing it happen.It's started by getting alert on the computer that a supernova had gone off in a very nearby galaxy, only 210 million light years away, here is a pic

发表于:2019-01-23 / 阅读(84) / 评论(0) 分类 探索与发现2015年

英语听力：2013-11-15 地平线：黑洞吞噬—25

Galaxies could in a way, be much bigger than they currently are. Something is stopping them growing larger and that something is the black hole at the center. Now this is bizarre because the ration of the size of the black hole to the size of the gal

发表于:2019-01-23 / 阅读(79) / 评论(0) 分类 探索与发现2013年

学个词 Learn a Word-VOA英语教学 3017 unveil

今天我们要学的词是 unveil. Unveil 动词，意思是公布、揭开。Samsung is expected to unveil its latest Galaxy S-class smartphone at the GSMA World Congress in Barcelona. 预计三星公司将在巴塞罗那的世界移动通信大会上

发表于:2019-01-26 / 阅读(65) / 评论(0) 分类 英语单词荟萃

60秒科学:Black Hole Quasar Building Galaxy

Black Hole Quasar Building Galaxy A study in the journal Astronomy Astrophysics finds that a distant quasar, powered by a black hole, is building a galaxy that will eventually surround the black hole. Cynthia Graber reports Which came first, black ho

发表于:2019-01-30 / 阅读(202) / 评论(0) 分类 60秒科学

旅行英语：全球最强大护照---德国

The German passport has been ranked the most powerfulpassport in the world in the latest Passport Power Indexconducted by consultancy firm Henley and Partners. 著名咨询公司Henley and Partners制成的最新护照强度排行榜显示，德国护照

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 阅读空间

给自己3个理由：年轻时候去旅行

The other night I had a conversation with a young woman who had a number of decisions ahead of her, one of which was whether she should go to grad school or travel the world. 不久前的一个晚上，我和一个年轻女孩聊天，她有很多事情

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 英语美文

再不旅行我们就老啦

In your youth, you will make choices that will define you. The disciplines you begin now will be with you for the rest of your life. Traveling will change you like little else can. It will put you in places that will force you to care for issues that

发表于:2019-02-19 / 阅读(65) / 评论(0) 分类 英语美文

【英音模仿秀】贝克汉姆选定迈阿密建立美国大联盟新球队

模仿文本： After retiring from a long playing career in May, David Beckham hasn't waited too long to make his next move. It's understood the former England captain is targeting Miami as a base for a Major League Soccer team. If the deal which is

发表于:2019-02-23 / 阅读(72) / 评论(0) 分类 英音模仿秀

英语美文：论旅行(培根)

Travel, in the younger sort, is a part of education, in the elder, a part of experience. He that travelleth into a country, before he hath some entrance into the language, goeth to school, and not to travel. That young men travel under some tutor, or

发表于:2019-03-02 / 阅读(139) / 评论(0) 分类 英语美文
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