单词：starburst galaxies
单词：starburst galaxies 相关文章
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
It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar
超大质量黑洞
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
By Jessica Berman Washington 29 October 2009 Ultraviolet, X-Ray images of gamma-ray burst Astronomers have discovered evidence of the oldest and most distant cosmic event ever detected, a burst from a dying star that occurred 13 billion years ago, v
VOA标准英语2009年(十月)
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
[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
美国英语听力80篇
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
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
Our galaxy is rushing toward the great galaxy Andromeda, they are rushing toward each other. And they are going to encounter each other in a couple billion years. Abraham and his colleagues decide to try to simulate this clash of the Titans. This was
自然百科2011年
To understand how these calamities occur, astronomers need to catch a massive star in its death throes. Astronomers are like detectives. We have to figure out what's going on in the universe, sometimes based on a minimum number of clues. And in the c
自然百科2011年
When massive stars explode, they can produce gamma-ray bursts. The burst, reported in two papers in Nature, is the earliest descriptive event seen so far in our universe. When I received the text message about the gamma-ray burst, it came ultimately
自然百科2010年
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
探索与发现2015年
Science and Technolgy 科技 Citizen astronomy 全民天文学 A new world in your bedroom 卧室里的新天地 Amateur astronomers join the ranks of the planet hunters 业余天文学家加入猎星人行列 IN AN age of professionals, the ability
经济学人科技系列
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
LASIK eye surgery is used to correct people's vision and end their need for glasses or contact lenses. The U.S. Food and Drug Administration approved the procedure 15 years ago. But now, a former government regulator is publicly expressing concerns a
VOA标准英语2010年(三月)
BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency
英语新闻
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
A new world in your bedroom 卧室里的新天地 Amateur astronomers join the ranks of the planet hunters 业余天文学家加入猎星人行列 IN AN age of professionals, the ability of amateur scientists to make meaningful contributions has almo
经济学人综合
What do the names Whirlpool, Black Eye, and Sombrero all have in common? Are they all appliance brands, names of galaxies, special ops forces, or oceanic reefs? These are all the names of galaxies, massive concentration of stars. AZUZ: Of course, the
CNN美国有线新闻2019年1月