单词：dwarf spheroidal galaxies
单词：dwarf spheroidal galaxies 相关文章
1. M: Did you go to the match on Saturday? [00:02.69]W: No,I listened to the commentary instead. [00:05.43]It sounded pretty exciting,I must say. [00:08.33]Q: What are they talking about? [00:11.52]2. M: Two six two four three double four.Charles Far
决胜四级听力必备
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
VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty with EXPLORATIONS in VOA Special English. This week, we tell about a project to identify images of one million galaxies that have been captured by the Sloan Digital Sky Survey. We also tell
VOA慢速英语2007年（八）月
Lesson 45 Of men and galaxies 人和星系 First listen and then answer the following question. 听录音，然后回答以下问题。 What is the most influential factor in any human society? In man's early days. competition with other creatures mus
新概念英语第四册
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1930 astronomer Clyde Tombaugh discovered the dwarf planet Pluto while looking at photographs of the night sky. Pluto was the first object to be found
Scientific American(六)月
For astronomers who study the large-scale structure of the universe, dwarf galaxies have proven quite vexing. Because the leading model of cosmology has been unable to account for their relative lack of substance. Now scientists writing in the journa
Scientific American(一)月
UV Rays Strip Small Galaxies of Star Stuff紫外线辐射会阻止小星系形成 The sun spews out ultraviolet radiationthat's why you put on sunscreen. But the sun isn't the only UV-producing celestial body. Stars and supermassive black holes produ
2017年Scientific American(三)月
Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H
60秒科学
IN THE NEWS - Pluto and Dark Matter Both Star in a Busy Week for AstronomersBy Brianna Blake Broadcast: Saturday, August 26, 2006 This is IN THE NEWS in VOA Special English. Pluto compared to other so
2006年慢速英语（八）月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. To many who stare up at the heavens, the stars may seem simply uncountable. Of course that's not the attitude of astronomers. But they've made a discov
Scientific American(十二)月
Once upon a time in Arabia there ruled a Sultan. He had a son. His name was Arfan. One of the courtiers was a witch. She hated the prince Arfan. So she poisoned the mind of the Sultan against his son. She said, You will be over powered by your son pr
一千零一夜英文故事
By David McAlary Washington 10 January 2006 Before you continue thinking about our Milky Way galaxy as a peaceful, spiral disk of stars slowly rotating through the heavens, consider this: It is hungri
2006年VOA标准英语（一月）
One of the puzzles about our galaxy is that we know that it's had stars forming continuously for about the last ten billion years. But at the rate/ it's eating up its gas now, it's forming new stars, it should burn out that gas soon, should run out o
自然百科2011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
By David McAlary Washington 14 September 2006 Astronomers have found that the universe began lighting up in its infancy. They have observed the most distant and oldest galaxies ever seen, small galaxies that helped lift the cosmos out of its dark ag
2006年VOA标准英语（九月）
听歌学英语:Are You the One(你是那个人吗) Timo Tolkki，是芬兰首席古典旋律金属大老Stratovarius乐队的当家吉他手,其个人风格深受 Ritchie Blackmore、Randy Rhoads 等前辈的影响。他以浓厚的古典音乐背景为
听歌学英语
For centuries it has been one of the most vexing mysteries for mankind: are we, the seven billion inhabitants of this wondrous [en]blue planet really alone, or is there life somewhere out there in the universe? 数百年来，人类一直为一个最大
英语新闻
某人很自恋？快来看看用英文表达吧！ The Daffodil Song - Philippa Hanna 水仙花daffodil /narcissus Narcissus is the Latin name or botanical name for daffodils. Narcissus是daffodil的拉丁学名或者植物学名。 narcissistic adj
卡卡课堂早餐英语
带镜框的独特声音：Laura Veirs - Galaxies 作为一个多产作家和有天赋的音乐家，劳拉威尔斯(Laura Veirs) 的音乐给人们类似蓝调与在天空中飞行的味道。劳拉威尔斯的专辑大都以民谣风格为主，她独
流行英文歌曲
Scientists are usually portrayed as highly rational seekers of the truth - and they are that. But they also have qualities that make them more similar to you and me than you might think. NPR's Joe Palca has a story that reveals that quite dramaticall
英语语言学习