标签:Galaxies 相关文章
I See No Doom Down an Alley我看见的不是死胡同 By Herbert Hoover My professional training was in science and engineering. That is a training in the search for truth, and its application to the use of mankind. With a gloss of science we have a
[00:01.60]即席创作 有些写得很真 Improvisation, some of it very sincere, [00:04.20]填补了空白 Fills the gaps. [00:05.33]那时候伪造 It would have been easy [00:06.70]一段历史很容易 To falsify a past back then- [00:09.63]寥寥数
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
By measuring how fast these stars were moving, he could prove if there really was a black hole at the center of an active galaxy. I picked a galaxy nearby which is called NGC 1068, an active galaxy, w
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
What Is It Like to Become an Astronaut? 谁想成为一名宇航员? HOUSTON, TEXAS Colonel Terry Virts always knew he wanted to be a pilot or an astronaut. He had pictures of galaxies and planes on his walls as a child. He never thought he could act
Virtual Adventure 第24单元 虚拟冒险 Sacks has the best job in the world, or at least he thinks so! He tests virtual reality video games. Every morning he gets up at 7 a.m., has a shower, reads the paper on the subway and arrives at the office
最后一点,也是对我而言最重要的一点,我深深信仰上帝。我确信有一位非常睿智和神奇的神灵设计、建造并统治这个世界,就像我们凡人所认识的样子:这个宇宙有星群、螺旋型的星云、星
Here are some images of clusters of galaxies. 这是一些星团的照片。 They're exactly what they sound like. 正如听上去一样。 They are these huge collections of galaxies, 它们是一堆星系, bound together by their mutual gravity. 由
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
Looking for supernovae is mostly a matter of not finding them. From 1980 to 1996 he averaged two discoveries a yearnot a huge payoff for hundreds of nights of peering and peering. Once he found three in fifteen days, but another time he went three ye
Surprisingly little of the universe is visible to us when we incline our heads to the sky. Only about 6,000 stars are visible to the naked eye from Earth, and only about 2,000 can be seen from any one spot. With binoculars the number of stars you can
Interestingly, Zwicky had almost no understanding of why any of this would happen. According to Thorne, he did not understand the laws of physics well enough to be able to substantiate his ideas. Zwicky's talent was for big ideas. OthersBaade mostlyw
Are you the one这首歌是荷兰Within Temptation(诱惑本质)主唱Sharon den Adel与Stratovarius(灵云乐队)当家吉他手Timo Tolkki合作的成果。 Sharon自96年Within Temptation组团开始便为其主唱。她嗓音独特,声线高亢,听上去有种金属的质感。随着这支来自郁金香国度
SAN FRANCISCO, Oct. 5 (Xinhua) -- Google announced Wednesday that Google Earth, the tech giant's virtual globe, map and geographical information program, has been downloaded more than one billion times since it was first introduced in 2005. According
Science and technology 科学技术 Astronomy 天文学 The cosmic boogie-box 宇宙中的摇滚乐 The sky, it seems, is filled with unexpected radio signals 看上去,太空中充满了我们意想不到的无线电讯号 WHISPER it not, but doin
A United States presidential commission investigating last year's catastrophic oil spill in the Gulf of Mexico has recommended a series of wide-ranging reforms. In its final report, the commission calls for the creation of an independent safety agenc
Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom
Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在,我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy
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