标签：hubble 相关文章

CNN 2011-11-25

What isis the future outside the Marilyn Science Center.it's a full scale model of NASA'S James Web space telescope.Scientist believe the real thing will redefine our understanding of our place in the universe. It will be so unique it can look furthe

发表于:2018-12-02 / 阅读(94) / 评论(0) 分类 CNN2011年(十一)月

NPR 2010-04-25

A massive weather system sweeping across the Deep South is spawning tornadoes. Suzette Berry lives just outside Yazoo City, Mississippi where she says a twister tore through Highway 49 and flattened just about everything in its path. Trees downed, I

发表于:2018-12-02 / 阅读(93) / 评论(0) 分类 2010年NPR美国国家公共电台4月

Supermassive Black Holes 超大质量黑洞 - 8

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

发表于:2018-12-07 / 阅读(362) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 7

When it's feeding, a giant black hole creates a bright burning gas disk around it and then for some reason, it stops feeding, leaving a dark, deadly core lurking menacingly in the center of the galaxy

发表于:2018-12-07 / 阅读(295) / 评论(0) 分类 超大质量黑洞

哈勃天文台探测到月球上拥有含氧矿物质

Hubble Detects Oxygen-Bearing Minerals on Moon 哈勃天文台探测到月球上拥有含氧矿物质 The orbiting Hubble observatory is usually aimed at extremely distant areas of the universe. But f

发表于:2018-12-08 / 阅读(47) / 评论(0) 分类 VOA2005（下）--环境科学探索

新概念2词汇 59-61

Lesson 59 In or out? New words and expressions: 1. bark Our dog, Rex, used to sit outside our front gate and bark. The dog barked at the visitor. You can hear dogs bark in the distance in the dark. 2. press As the neighbors complained of the noise, m

发表于:2018-12-08 / 阅读(456) / 评论(0) 分类 新概念英语词汇随身听手册2

SSS 2010-07-23

Heres what scientists think happened, oh, about a hundred million years ago. There was this three-star system. The three linked stars were strolling through the galaxy but got too close to the giant black hole at the center. The hole swallowed one of

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(七)月

SSS 2009-02-18

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Future cosmologists will get the universe all wrong, said Arizona States Lawrence Krauss at the AAAS Meeting on February 16th: All of the pillars of the big bang will

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(二)月

一三星系统经黑洞整合后的残余物生成超级行星

A hypervelocity star appears to be the remains of a three-star system, one star of which was digested by the Milky Way's black hole, with the other two being combined and hurled away. Heres what scientists think happened, oh, about a hundred million

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 60秒科学

VOA慢速英语20061129b

EXPLORATIONS - Edwin Hubble Changed Our Ideas About the Universe and Its BirthBy Marilyn Rice Christiano Broadcast: Wednesday, November 29, 2006 ANNOUNCER: EXPLORATIONS -- a program in Special English

发表于:2019-01-02 / 阅读(57) / 评论(0) 分类 2006年慢速英语(十一)月

NPR 2008-07-13

French President Nicolas Sarkozy says the leaders of Syria and Lebanon have agreed to re-establish normal diplomatic relations for the first time in years. Sarkozy made the announcement, speaking through a translator after a meeting in Paris. (D'abo

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 2008年NPR美国国家公共电台七月

AP美联社一分钟新闻 2009-05-12

1.No details yet about the American soldier accused of opening fire at a US base in Baghdad, killing five fellow soldiers before being taken into custody. Pentagon officials said the shooting happened at a stress clinic in Camp Liberty. 2.Alleged Na

发表于:2019-01-11 / 阅读(116) / 评论(0) 分类 美联社新闻一分钟2009年(五)月

VOA慢速英语2011--Space Junk Threatens Earth’s Orbital E

SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in

发表于:2019-01-12 / 阅读(105) / 评论(0) 分类 2011年VOA慢速英语(九)月

VOA慢速英语2014 美国和俄罗斯还会进行太空合作吗?

Will US, Russia Continue Space Cooperation? 美国和俄罗斯还会进行太空合作吗? From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today, we report on concerns that tensions over Crimea and U

发表于:2019-01-12 / 阅读(95) / 评论(0) 分类 2014年VOA慢速英语(七)月

中国将建新型太空望远镜 视野范围是哈勃300倍

China has announced an ambitious space telescope program that would give the nation astronomy research capabilities to rival those of U.S. programs like the Hubble Space Telescope, according to Popular Science. The space telescope would have a lens 2

发表于:2019-02-04 / 阅读(51) / 评论(0) 分类 英语新闻

如何解决新托福阅读中的修饰目的题

? 问法一般是：why does the author mention X?? in order to .细节题的提问方式多半是：what而这种题目多半是问why。 ??????? 新TOEFL阅读这种题目不是每篇文章都考的分为如下几类??????? 一、例子题，一般占

发表于:2019-02-05 / 阅读(57) / 评论(0) 分类 托福英语

万物简史 第241期:马斯特-马克的夸克(13)

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

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 万物简史

万物简史 第179期:爱因斯坦的宇宙(22)

Slipher was the first to notice this effect with light and to realize its potential importance for understanding the motions of the cosmos. Unfortunately no one much noticed him. The Lowell Observatory, as you will recall, was a bit of an oddity than

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 万物简史

万物简史 第181期:爱因斯坦的宇宙(24)

In 1919, now aged thirty, he moved to California and took up a position at the Mount Wilson Observatory near Los Angeles. Swiftly, and more than a little unexpectedly, he became the most outstanding astronomer of the twentieth century. 1919年，他已

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 万物简史

万物简史 第184期:爱因斯坦的宇宙(27)

Combining Leavitt's cosmic yardstick with Vesto Slipher's handy red shifts, Edwin Hubble now began to measure selected points in space with a fresh eye. In 1923 he showed that a puff of distant gossamer in the Andromeda constellation known as M31 was

发表于:2019-02-25 / 阅读(106) / 评论(0) 分类 万物简史
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