标签：Galaxies 相关文章
2-11-A Passage 1: Napoleon was many things but he was, first of all, remembered as a military leader. Rising from an artillery officer to the commander of the French army, he waged war after war against neighboring countries. In 1804, he declared him
全新版大学英语听说教程第二册
The Funniest Jokes in the World by Chris RoseRecently, a group of scientists and psychologists decided to try and find out what the funniest joke in the world was. This was obviously going to be a difficult task, as no two people ever really agree ab
英文杂志-Magazine
Broadcast: May 7, 2003 By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Phoebe Zimmermann with the VOA Special English program EXPLORATIONS. We have news about two exploration d
VOA2003（上）-科技导航
ANNOUNCER: EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Today, Richard Rael and Tony Riggs tell the story of American astronomer Edwin Hubble. He changed our ideas about the universe and how it developed. Edwin Hubbl
VOA慢速英语2009年（四）月
Those stars don't feel the black hole. They feel the rest of the stars in the galaxy. They don't know or care that the black hole is there. If you took the black hole away from the galaxy, they would
超大质量黑洞
If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect
超大质量黑洞
EXPLORATIONS -May 8, 2002: Hubble's New Camera By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Last week, the
Explorations
Time again for our Website of the Week, when we showcase interesting and innovative online destinations. If you've ever been to a planetarium, you know what it's like to look at stars and planets while an expert guide explains what you're looking at.
VOA标准英语2010年(四)月
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
It takes a village to raise a child. Well, the same is true for finding what are called spaceworps. That's according to astophysicists who are calling for volunteers to aid in the search for gravitational lenses. Astronomical objects are so massive t
Scientific American(六)月
But if watching matter tumble over the edge of a black hole might now be possible, it is only because of the efforts of a generation of astronomers to wrestle these dark dragons of the cosmos into the realms of scientific reality. As is often the cas
探索与发现2013年
The super bright quasar phase having ended many billions of years ago, when the fuel that fires violent emissions was completely consumed. But now, with the approaching gas cloud and a prospect of feeding, the black hole should get brighter. Exactly
探索与发现2013年
Far from being violentaions and destruction, it seems instead , black holes might actually be benign architects ,whichve played a part in the creation of the galaxies,stars,and even the life itself. One of the first scientists to begin to see black h
探索与发现2013年
There was now a pressing challenge to understand how black holes in their surrounding galaxies. To be so intertwined.，professor Andy Fabian in the Cambridge University is one astronomer who began to look. Like the ripples, they travel out from his
探索与发现2013年
If you look at the Milky Way galaxy, its this interesting balancepoint that this place where its just enough to wash from the black whole tokeep things interesting to possibly make the environment that allows us toexist here. Astronomers are eagerly
探索与发现2013年
but perhaps you are hoping to remotely touch someone you'll never meet 有可能 你会同遥远的未曾相识的人产生联系。 the Spirit, Opportunity and Curiosity rovers which are on Mars 勇气号 机遇号 好奇号火星探测器。 are ea
公众人物毕业演讲
Film offers first glimpse of space telescope's breathtaking deep space images in IMAX 3D Penelope Poulou | Washington, DC 01 April 2010 Astronaut John Grunsfeld is positioned on a foot restraint on the end of Atlantis' remote manipulator system and a
VOA标准英语2010年(四)月
Our galactic home, the Milky Way, is big. Mostgalaxies are far smaller. And its not easy being one of those little galaxiesa big galaxys gravity can rob their gas. And gas creates new stars, so losing gas spells the end of star-making. That's what ha
2017年Scientific American(二)月
President Putin has signed an order recognizing Crimea as an independent and sovereign statewith immediate effect, it comes shortly after the Untied States and the European Unionimposed targeted sanctions on key Russian and Ukrainian officials connec
英语听力精选进阶版
Greek voters has decisively rejected the term of bailout deal offered by international lenders. With all the votes now accounted,more than 61% of people said no,thousands of supporters of no campaign celebrated in front of the parliament in Athens,wa
英语听力精选进阶版