标签：Astronomers 相关文章

太空岩石仍是科学家未解之谜

Space Rock Still a Mystery to Scientists Oumuamua is the first interstellar object scientists have found passing through our solar system. Interstellar means it came from another star system like our own. In November 2017, Oumuamua was seen moving be

发表于:2018-11-27 / 阅读(436) / 评论(0) 分类 2018年VOA慢速英语(十一)月

EXPLORATIONS - Mauna Kea in Hawaii: Astronomy on the World's

EXPLORATIONS - Mauna Kea in Hawaii: Astronomy on the World's Highest Island Mountain By Shelley Gollust Broadcast: Wednesday, October 05, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Ba

发表于:2018-12-01 / 阅读(124) / 评论(0) 分类 Explorations

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(74) / 评论(0) 分类 Scientific American(四)月

VOA慢速英语20060704b

SCIENCE IN THE NEWS - Gore's Movie Heats Up Discussion of Global Warming (and Has His Critics Steaming)By Caty Weaver and George Grow Broadcast: Mon, 3 Jul 2006 16:00:00 UTC (MUSIC) VOICE ONE: This is

发表于:2018-12-07 / 阅读(51) / 评论(0) 分类 2006年慢速英语（七）月

VOA慢速英语--天文观测者期待“月亮超级碗”

Sky Watchers Prepare For the 'Super Bowl' of Moons This is What's Trending Today. The moon is providing a rare triple treat this week. 月亮将会在本周给人们带来一次罕见的三重乐趣。 On Wednesday, much of the world will get to see

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 2018年VOA慢速英语(一)月

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(64) / 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(62) / 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(50) / 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(121) / 评论(0) 分类 有声英文阅读

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(112) / 评论(0) 分类 精美英文欣赏

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(52) / 评论(0) 分类 2006年慢速英语(十一)月

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(117) / 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(76) / 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(93) / 评论(0) 分类 Scientific American(三)月

SSS 2011-07-13

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 Scientific American(七)月

SSS 2012-05-14

This is Scientific Americans 60 second Science, I am Cynthia Graber, This will just take a minute. Scientists are looking for Earth-like planets around other stars. But one way to limit the search can be to figure out where an Earth-like planet canno

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(五)月

经济学人292:天体化学 空中的大试管

Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel

发表于:2019-02-04 / 阅读(44) / 评论(0) 分类 经济学人科技系列

研究:1/4类日恒星拥有类地卫星

Researchers who studied stars similar to the Sun found that almost one in four could have small, rocky planets just like the Earth。 For their research, scientists spent five years studying 166 Sun-like stars within 80 light year or 470 trillion mil

发表于:2019-02-09 / 阅读(90) / 评论(0) 分类 阅读空间

万物简史 第270期:砰!(5)

The few craters that remained evident on Earth (most had been eroded away) were generally attributed to other causes or treated as fluky rarities. 一般来说，地球上仅有的几个明显的坑(大多数已经被侵蚀干净)要么被归于别的原

发表于:2019-02-25 / 阅读(61) / 评论(0) 分类 万物简史

托福阅读的学术词汇全攻略

什么是学术词汇 在托福阅读的课堂上，经常有学生对繁杂的学术词汇头疼不已。碰到这类词汇，会大大拖慢阅读速度，影响整体的正确率。托福阅读中，所有的单词可以被归为两类：一般功能

发表于:2019-03-02 / 阅读(93) / 评论(0) 分类 托福英语
最新学习文章
热门学习文章